Electric bike locks need to secure a heavier, higher-value bike without becoming a burden to carry. My best overall pick is the Sportneer Heavy-Duty Bike U-Lock with 5-Foot Security Cable, which pairs a rigid U-lock with extra cable reach. The NDakter 4-Digit Combination Bike U-Lock suits riders who want keyless access, while the Sportneer 5-Digit Combination Bike Chain Lock offers a flexible alternative for varied parking points. The main tradeoffs are how much of the bike you can secure, how convenient the lock is to carry, and whether you prefer a key or a combination. Read on for all 15 options and guidance on choosing a lock that matches your bike, routine, and parking risks.
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Key Takeaways
- U-locks with included cables stand out for pairing a rigid main lock with added reach, but the cable is best treated as a way to secure a wheel or accessory rather than a substitute for the main lock.
- Keyed and combination U-locks serve different routines: keyed Sportneer and NDakter models avoid remembering a code, while the NDakter and Febabilo combination options remove the need to carry a key.
- Chain locks offer more positioning flexibility than U-locks, but their extra length and weight can be less appealing for riders who carry a lock on every trip.
- Included cable length varies from 5 to 6 feet among the U-lock sets, while the 3-foot Titanker chain and 36.2-inch Honszex chain suit more compact locking needs.
- The Master Lock and Hapleby cable locks prioritize reach and ease of handling; riders seeking a primary lock for an e-bike should weigh that convenience against the firmer structure of the U-lock and chain options.
| Sportneer Heavy-Duty Bike U-Lock with 5-Foot Security Cable |  | Best for Frame-and-Wheel Coverage | Lock type: Key-operated U-lock | Shackle thickness: 17 mm | Lock dimensions: 7.76 × 5.02 in | VIEW LATEST PRICE | See Our Full Breakdown |
| Titanker Heavy-Duty Bicycle Chain Lock with Keys, 3 Feet, 6 mm |  | Best Lightweight Chain Option | Lock type: Key-operated chain lock | Chain length: 3 ft | Link thickness: 6 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| Corki Heavy-Duty Bike U-Lock with 5 ft Cable |  | Best for Frame Protection | Shackle diameter: 17 mm (0.67 in) | Materials: Hardened alloy steel shackle; zinc alloy core | Weight: 1.64 lb | VIEW LATEST PRICE | See Our Full Breakdown |
| NDakter 4-Digit Combination Bike U-Lock with 5-Foot Steel Cable |  | Best Keyless Pick | Lock type: Combination U-lock with cable | Combination: Resettable 4-digit code | Shackle material and thickness: Hardened alloy steel; 14.6 mm (0.57 in) | VIEW LATEST PRICE | See Our Full Breakdown |
| Febabilo Heavy-Duty 4-Digit Combination Bike U-Lock with 5-Foot Steel Cable |  | Best for Shared, Keyless Use | Lock type: Combination U-lock with cable | Combination: Resettable 4-digit code; initial code 0000 | Shackle diameter: 14.6 mm (0.57 in) | VIEW LATEST PRICE | See Our Full Breakdown |
| Hapleby Bike U-Lock Set with 6-Foot Steel Cable |  | Best for Flexible U-Lock Coverage | Lock type: Keyed U-lock | U-lock material: 0.55-inch solid steel | Cable length: 6 feet | VIEW LATEST PRICE | See Our Full Breakdown |
| Weogine Heavy-Duty Bicycle Chain Lock, 2.72 ft, with 3 Keys |  | Best Compact Keyed Chain | Lock type: Key lock | Chain length: 2.72 feet | Chain thickness: 4 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| Sportneer 5-Digit Combination Bike Chain Lock |  | Best Keyless Chain for More Reach | Lock type: Resettable 5-digit combination | Chain material: Manganese steel | Chain thickness: 6 mm (0.236 in) | VIEW LATEST PRICE | See Our Full Breakdown |
| NDakter Heavy-Duty Bike U-Lock with 5-Foot Cable |  | Best for Combination U-Lock Coverage | Lock type: Resettable 4-digit combination U-lock | U-bar thickness: 0.7 in (18 mm) | Steel cable length: 5 feet | VIEW LATEST PRICE | See Our Full Breakdown |
| NDakter 5-Digit Resettable Combination Bike Chain Lock |  | Best for Choosing a Chain Length | Lock type: Resettable 5-digit combination | Chain material: Alloy steel | Chain thickness: 0.24 in (6 mm) | VIEW LATEST PRICE | See Our Full Breakdown |
| Sportneer Bike U-Lock – Heavy Duty Anti-Theft Lock with 5 ft Steel Cable, 17 mm Shackle and Mounting Bracket (Orange) |  | Best for Portable U-Lock Security | Shackle thickness: 17 mm | Dimensions: 7.76 × 5.02 in | Weight: 1.64 lb | VIEW LATEST PRICE | See Our Full Breakdown |
| NDakter Heavy-Duty Bike U-Lock with 6 ft Security Cable and 3 Keys |  | Best for Maximum Shackle Reach | Lock type: U-lock | Shackle material: Hardened steel | Shackle thickness: 18 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| Master Lock 6 ft Cable Bike Lock, 4-Digit Combination, 1/2 in Diameter (Model 8122D) |  | Best Keyless Cable for Low-Risk Stops | Brand and model: Master Lock 8122D | Lock type: Resettable 4-digit combination cable lock | Cable length: 6 ft (1.8 m) | VIEW LATEST PRICE | See Our Full Breakdown |
| Hapleby 4-Foot Bike Cable Lock with 2 Keys and Mounting Bracket |  | Best Lightweight Cable with a Mount | Model: C-L001 | Lock type: Key-operated cable lock | Cable length: 4 ft | VIEW LATEST PRICE | See Our Full Breakdown |
| Honszex Heavy-Duty Chain Lock for Scooters and Bikes, 36.2 in |  | Best for Multi-Vehicle Use | Brand and model: Honszex HZX-BL001 | Lock type: Chain lock | Material: Alloy steel and rubber | VIEW LATEST PRICE | See Our Full Breakdown |
| electric bike lock | Lock type | Weight |
|---|---|---|
| Sportneer Heavy-Duty Bike U-Lo | Key-operated U-lock | 1.64 lb |
| Titanker Heavy-Duty Bicycle Ch | Key-operated chain lock | 1.4 lb |
| Corki Heavy-Duty Bike U-Lock w | — | 1.64 lb |
| NDakter 4-Digit Combination Bi | Combination U-lock with cable | U-lock: 1.96 lb; cable: 0.86 lb; combined: 2.82 lb |
| Febabilo Heavy-Duty 4-Digit Co | Combination U-lock with cable | — |
| Hapleby Bike U-Lock Set with 6 | Keyed U-lock | 1.18 kg |
| Weogine Heavy-Duty Bicycle Cha | Key lock | 349.83 g |
| Sportneer 5-Digit Combination | Resettable 5-digit combination | — |
| NDakter Heavy-Duty Bike U-Lock | Resettable 4-digit combination U-lock | — |
| NDakter 5-Digit Resettable Com | Resettable 5-digit combination | About 1.45 lb for the 3.2 ft version |
| Sportneer Bike U-Lock | — | 1.64 lb |
| NDakter Heavy-Duty Bike U-Lock | U-lock | 3.4 lb |
| Master Lock 6 ft Cable Bike Lo | Resettable 4-digit combination cable lock | — |
| Hapleby 4-Foot Bike Cable Lock | Key-operated cable lock | 10.4 oz |
| Honszex Heavy-Duty Chain Lock | Chain lock | — |
More Details on Our Top Picks
Sportneer Heavy-Duty Bike U-Lock with 5-Foot Security Cable
The 17 mm shackle gives this key-operated U-lock a substantial main locking point, while its 5-foot steel cable can loop through a wheel or another item that the U-lock cannot capture. That makes it a more flexible frame-and-wheel setup than the Titanker 3-foot chain lock, though the Titanker is easier to wrap around objects without relying on a separate cable. At 1.64 lb, the Sportneer is a manageable option for e-bike commuters who want to carry both pieces, and the included bracket helps keep the U-lock on the bike. Its tradeoff is practical fit: the bracket only suits tubes within its specified diameter range, and the cable should be treated as added reach rather than the main barrier. It also uses keys, so riders who want a keyless routine should choose a combination model such as the NDakter.
Pros:- 17 mm shackle provides a substantial primary locking point
- 5-foot cable adds reach for securing a wheel or accessory
- Mounting bracket and two keys are included
- Coated body helps protect the frame and resist dirt and moisture
Cons:- Bracket fit depends on the bike tube diameter
- The cable is supplementary and should not replace the U-lock as the primary barrier
- Key operation means carrying and keeping track of keys
Best for: E-bike commuters who want a sturdy U-lock for the frame plus a cable to loop through a wheel, and whose bike frame fits the mounting bracket.
Not ideal for: Riders who prefer keyless access, need a chain that wraps around bulky fixed objects, or cannot use the bracket on their frame tubing.
- Lock type:Key-operated U-lock
- Shackle thickness:17 mm
- Lock dimensions:7.76 × 5.02 in
- Weight:1.64 lb
- Cable length:5 ft
- Included components:U-lock, steel cable, mounting bracket, and 2 keys
- Color:Black
Our verdict“Choose this Sportneer if you want a carried-together U-lock and cable setup for securing an e-bike frame and wheel.”
Titanker Heavy-Duty Bicycle Chain Lock with Keys, 3 Feet, 6 mm
The 3-foot chain is this Titanker’s defining advantage: it wraps around a frame and a fixed object more readily than a U-lock, while its 1.4-pound weight keeps the carry burden below the combined NDakter U-lock-and-cable setup. Its 6 mm alloy steel links are thinner than the U-lock shackles in this roundup, so I’d treat it as a convenient everyday deterrent rather than the strongest choice for a high-risk parking spot. A cloth sleeve helps limit scratches and exposure, and the keyhole cover can keep dust and rain out; those details make routine outdoor use less fussy. It also snaps shut without a key, which is handy when locking up, but it remains a key-operated lock for opening. Compared with the Sportneer U-lock, it offers easier wrapping but less rigid locking geometry.
Pros:- Three-foot chain wraps around fixed objects more easily than a rigid U-lock
- 1.4-pound weight is relatively easy to carry
- Protective sleeve helps guard the bike finish and chain from exposure
- Keyhole cover and two included keys add everyday convenience
Cons:- 6 mm links are thinner than the U-lock shackles in this lineup
- Three-foot reach may be limiting around wide posts or awkward racks
- Regular lubrication is recommended
Best for: E-bike riders making brief stops in lower-risk areas who want a light chain that can wrap around a nearby rack or post.
Not ideal for: Owners leaving an e-bike unattended for long periods in high-theft locations or seeking a thicker primary lock.
- Lock type:Key-operated chain lock
- Chain length:3 ft
- Link thickness:6 mm
- Link length:1.97 in
- Weight:1.4 lb
- Material:Alloy steel
- Keys included:2
Our verdict“Pick the Titanker for a light, flexible chain for short stops, not as the strongest standalone choice for a valuable e-bike.”
Corki Heavy-Duty Bike U-Lock with 5 ft Cable
The Corki shares the Sportneer’s 17 mm shackle, 5-foot cable, and 1.64-pound weight, so the difference is less about basic locking format and more about bike-friendly details. Its silicone sleeve is designed to reduce rattling and keep the lock from scratching the frame, a useful touch for riders who carry a lock against their bike. The cable adds reach for a wheel, but—as with the Sportneer—it is flexible and should not be mistaken for the same protection as the U-lock. The included bracket keeps the main lock handy, though installation requires two screws and its stated tube fit is 26–38 mm. Compared with the keyless Febabilo, Corki requires keys but has a thicker listed shackle. It makes the most sense for riders who value a familiar U-lock setup and frame-conscious carrying over combination access.
Pros:- 17 mm hardened alloy steel shackle
- Silicone sleeve helps prevent frame scratches and reduce rattling
- 5-foot cable adds reach for securing wheels
- Two keys and a mounting bracket are included
Cons:- Bracket requires two-screw installation and fits only 26–38 mm frame tubes
- Flexible cable offers less cut resistance than the U-lock
- Key operation is less convenient for riders who prefer a combination
Best for: E-bike owners who carry a U-lock on the frame and want a sleeve to reduce scratches and rattling, with tubing sized for the included bracket.
Not ideal for: Riders who do not want to install a two-screw bracket, whose frame tubes fall outside the stated fit range, or who want keyless access.
- Shackle diameter:17 mm (0.67 in)
- Materials:Hardened alloy steel shackle; zinc alloy core
- Weight:1.64 lb
- Cable length:5 ft
- Frame tube fit:26–38 mm (1.02–1.5 in)
- Included components:2 keys, installation bracket, and 5-foot braided steel cable
- Compatible vehicles:Bicycles, e-bikes, motorcycles, and scooters
Our verdict“Choose Corki if frame-friendly carrying details matter and your bike fits its bracket, while treating the cable as secondary coverage.”
NDakter 4-Digit Combination Bike U-Lock with 5-Foot Steel Cable
For riders who would rather memorize a code than carry keys, the NDakter pairs a resettable 4-digit combination with a hardened-steel U-lock and 5-foot cable. Its 7.5 × 4.5-inch interior gives more room to position the lock around a frame and a wheel than a tighter-fitting U-lock might, though the wider opening can be less convenient when a rack or parking spot leaves little space. Compared with the key-operated Sportneer and Corki, access is simpler to share, but the NDakter’s listed shackle is 14.6 mm rather than their 17 mm. The cable helps extend coverage, while the 2.82-pound combined weight is a noticeable carrying tradeoff. There is no mounting bracket, so riders must find another way to carry it. I’d choose it for code convenience, not for the lightest setup.
Pros:- Resettable 4-digit combination avoids carrying keys
- 5-foot cable adds flexibility for securing a wheel
- 7.5 × 4.5-inch interior provides useful locking space
- Hardened alloy steel shackle is designed to resist cutting and leverage
Cons:- U-lock and cable together weigh 2.82 lb
- No mounting bracket is included
- Its 14.6 mm shackle is thinner than the 17 mm Sportneer and Corki shackles
Best for: E-bike riders who share access with family or coworkers and want a resettable code with room to lock a frame and wheel.
Not ideal for: Commuters prioritizing low carry weight or a supplied bike mount, and riders who prefer a thicker listed shackle.
- Lock type:Combination U-lock with cable
- Combination:Resettable 4-digit code
- Shackle material and thickness:Hardened alloy steel; 14.6 mm (0.57 in)
- Interior dimensions:7.5 × 4.5 in
- Exterior dimensions:9.8 × 7 in
- Cable length:5 ft
- Weight:U-lock: 1.96 lb; cable: 0.86 lb; combined: 2.82 lb
Our verdict“Choose the NDakter if keyless access and a roomy locking opening matter more than low weight or a thicker shackle.”
Febabilo Heavy-Duty 4-Digit Combination Bike U-Lock with 5-Foot Steel Cable
The Febabilo is a keyless U-lock-and-cable set built around a resettable 4-digit code, making it a sensible fit for households or workplaces where more than one person may lock the same e-bike. It shares the NDakter’s 14.6 mm shackle, 7.5 × 4.5-inch interior, and 5-foot cable, so the choice between them is less about locking reach than access and finish: Febabilo lists a PVC-coated shackle and silicone-covered cable to help protect painted surfaces. The cable can loop through a wheel, but its flexibility means the U-lock remains the main locking point. Neither this model nor the NDakter includes a bike mount, and this product is described as quite heavy without a specific weight listed. Compared with the 17 mm key-operated Sportneer, it gives up shackle thickness in exchange for code access and scratch-conscious coatings.
Pros:- Resettable 4-digit combination allows keyless access
- 5-foot cable extends coverage to a wheel or second bike
- PVC-coated shackle and silicone-covered cable help protect finishes
- Designed for bicycles, e-bikes, scooters, motorcycles, and other listed uses
Cons:- No bike mounting bracket is included
- The product is described as heavy, with no specific weight supplied
- Its 14.6 mm shackle is thinner than the 17 mm Sportneer and Corki shackles
Best for: Families, shared-bike households, and e-bike owners who want several riders to use one lock without passing around keys.
Not ideal for: Weight-conscious commuters, riders who need an included frame mount, or buyers who prioritize the thickest shackle listed in this group.
- Lock type:Combination U-lock with cable
- Combination:Resettable 4-digit code; initial code 0000
- Shackle diameter:14.6 mm (0.57 in)
- Interior dimensions:7.5 × 4.5 in
- Exterior dimensions:9.8 × 7 in
- Cable dimensions:5 ft long; 0.47 in diameter
- Materials and coating:Hardened alloy steel shackle; zinc alloy lock head; PVC-coated shackle; silicone-covered cable
- Included components:Combination U-lock with cable; bike mount not included
Our verdict“Choose Febabilo for shared keyless access and coated contact surfaces, but skip it if low carry weight or a supplied mount is a priority.”
Hapleby Bike U-Lock Set with 6-Foot Steel Cable
The Hapleby pairs a 0.55-inch solid-steel U-lock with a 6-foot cable, giving riders two ways to secure a bike: use the U-lock on its own or add the cable to reach a wheel or accessory. That flexibility is the main reason I rank it ahead of the shorter-cable Weogine chain for riders dealing with varied racks and frame setups. Its mounting bracket also helps keep the lock available on rides, while the dust cover and treated finish are intended to resist corrosion. The tradeoff is that a cable adds reach, not the same kind of rigid protection as the U-lock, and the set weighs 1.18 kg. I’d skip it if minimizing carried weight matters more than adaptable locking options.
Pros:- Combines a solid-steel U-lock with a long 6-foot cable
- U-lock can be used independently when the cable is unnecessary
- Mounting bracket and magic straps support carrying the set
- Dust cover and treated surface are intended to resist corrosion
Cons:- The 1.18 kg set adds noticeable weight to a bike
- The cable provides reach but is not a substitute for the rigid U-lock
- Keyed operation requires keeping track of the included keys
Best for: E-bike and scooter owners who want a rigid U-lock for the frame plus extra reach for a wheel or accessory.
Not ideal for: Weight-conscious commuters who want a light everyday lock, or riders who need a cable to provide the same protection as a U-lock.
- Lock type:Keyed U-lock
- U-lock material:0.55-inch solid steel
- Cable length:6 feet
- Weight:1.18 kg
- Dimensions:7.3 x 4.7 x 1.18 inches
- Included components:U-lock, steel cable, mounting bracket, 2 keys, 2 magic straps
- Finish:Electrophoresis-treated surface with dust cover
Our verdict“Choose the Hapleby if you want a mountable U-lock set with extra cable reach, and skip it if a lighter or keyless lock is your priority.”
Weogine Heavy-Duty Bicycle Chain Lock, 2.72 ft, with 3 Keys
For riders who prefer a chain but don’t want a long, heavy setup, the Weogine is the compact keyed option in this group. At 2.72 feet and 349.83 g, it is easier to carry than the NDakter U-lock-and-cable set, though its short reach can limit which rack or bike parts you can secure together. The 4 mm alloy-steel chain has a fabric cover to help protect the finish and bike surfaces, and the lock can be snapped shut without using a key. Three keys offer spares, but unlocking still depends on having one available—a different routine from the keyless Sportneer combination chain. I’d choose this for brief stops and simple parking setups, not as a reach-first choice for bulky frames or awkward racks.
Pros:- Lightweight 349.83 g chain for easier everyday carrying
- Three keys provide spares
- Can be snapped shut without inserting a key
- Fabric cover helps guard against weather, dust, and scratches
Cons:- The 2.72-foot length can restrict locking positions and what can be secured together
- Key-based unlocking is less convenient than the Sportneer combination chain
- The 4 mm chain is thinner than the Sportneer’s 6 mm chain
Best for: Riders who want a relatively light keyed chain for short stops at nearby racks and value having spare keys.
Not ideal for: E-bike owners who need to secure a frame and multiple wheels to a distant rack, or anyone who wants to avoid carrying keys.
- Lock type:Key lock
- Chain length:2.72 feet
- Chain thickness:4 mm
- Materials:Alloy steel chain, zinc alloy cylinder
- Weight:349.83 g
- Keys included:3
- Warranty:1 year
Our verdict“Pick the Weogine for a light, short-reach keyed chain, but choose a longer or thicker option if your parking setup needs more reach or chain material.”
Sportneer 5-Digit Combination Bike Chain Lock
The Sportneer is the better fit than the short Weogine when a rider wants keyless access and more length choices: it comes in 3.2-, 3.6-, and 4-foot versions, compared with the Weogine’s fixed 2.72-foot chain. Its resettable 5-digit combination removes the need to carry keys, while the 6 mm manganese-steel chain is thicker than the Weogine’s 4 mm alloy-steel chain. That doesn’t make a chain invulnerable, and the combination creates its own responsibility: remember the code and reset the initial 00000 setting. The lock head’s 1.3-inch diameter may also be too large for some wheel or frame gaps. I’d select it for everyday flexibility, not for riders who prefer a simple key or need a very slim lock head.
Pros:- Resettable 5-digit combination avoids carrying keys
- 6 mm manganese-steel chain is thicker than the Weogine’s 4 mm chain
- Available in three lengths from 3.2 to 4 feet
- Protective cover and dustproof cap help shield the chain and lock
Cons:- The combination must be remembered and reset from its initial setting
- The 1.3-inch lock head may not fit through some frame or wheel gaps
- The longest listed length may still fall short for distant or bulky locking points
Best for: Commuters who want a keyless chain and need to choose a length that suits their regular racks and parking spots.
Not ideal for: Riders who often forget codes or whose bike’s frame and wheel openings cannot accommodate a 1.3-inch lock head.
- Lock type:Resettable 5-digit combination
- Chain material:Manganese steel
- Chain thickness:6 mm (0.236 in)
- Available lengths:3.2 ft, 3.6 ft, 4 ft
- Combination range:Up to 100,000 combinations
- Lock core material:Zinc alloy
- Head diameter:1.3 in
- Initial combination:00000
Our verdict“Choose the Sportneer for a keyless chain with multiple length options, unless a narrow lock head or a key-based routine suits your bike better.”
NDakter Heavy-Duty Bike U-Lock with 5-Foot Cable
This NDakter is the pick for riders who want a rigid U-lock without relying on keys for everyday unlocking. Its resettable 4-digit combination operates the lock, while the included keys are for retrieving a forgotten combination—not for opening it. That distinction sets it apart from the keyed Hapleby U-lock set and is worth understanding before buying. The 18 mm steel bar and 5-foot cable offer a rigid anchor point plus added reach for a wheel or accessory; the cable can also help when securing more than one bike. The cost of that versatility is carry weight: the set weighs 3.05 lb, substantially more than the Hapleby’s 1.18 kg listing in a different unit. Its internal opening is also relatively compact, so check the frame and rack fit.
Pros:- Resettable 4-digit code provides keyless everyday unlocking
- 18 mm steel bar gives the main lock a rigid form
- 5-foot cable adds reach for accessories or another bike
- Adjustable bracket supports carrying the lock on the bike
Cons:- Combined weight is 3.05 lb, a substantial load for daily carrying
- Included keys retrieve the code but cannot unlock the U-lock
- Internal dimensions of 5.9 x 4.7 inches may limit rack and frame fit
Best for: E-bike commuters who want a combination-operated U-lock, a cable for accessories, and a bracket for transport.
Not ideal for: Riders who want to unlock with a backup key, need a roomy U-lock opening, or prioritize a lightweight carry setup.
- Lock type:Resettable 4-digit combination U-lock
- U-bar thickness:0.7 in (18 mm)
- Steel cable length:5 feet
- Cable thickness:0.47 in
- Combined weight:3.05 lb
- U-lock weight:2.1 lb
- Internal lock dimensions:5.9 x 4.7 in
- Included components:U-lock, steel cable, two code-retrieval keys, adjustable bracket
Our verdict“Choose this NDakter if you want a combination U-lock with cable reach and accept its weight and compact opening.”
NDakter 5-Digit Resettable Combination Bike Chain Lock
The standout here is length choice: the NDakter chain is offered from 2.62 to 6 feet, giving riders more scope to match the lock to a specific rack than the Sportneer’s 3.2-to-4-foot range. Its resettable 5-digit combination keeps keys out of the routine, and the fabric cover helps protect the bike’s finish from chain contact. The tradeoff is that this is still a chain lock, not a rigid U-lock like the Hapleby or NDakter U-lock set. The manufacturer also advises against leaving a bike unattended for long periods, especially in high-crime areas, so I would not make it the sole choice for extended parking. Check fit, too: it may not pass through wheel gaps under 1.25 inches.
Pros:- Five length options include choices up to 6 feet
- Resettable 5-digit combination offers keyless access
- Protective fabric cover helps prevent frame scratches
- Can be used with bikes, scooters, gates, and other items
Cons:- Manufacturer advises against long unattended parking, particularly in high-crime areas
- May not fit through wheel gaps smaller than 1.25 inches
- The chain does not offer the rigid form of the Hapleby U-lock
Best for: Riders who want a keyless chain and need to select a length for different bikes, racks, or parking setups.
Not ideal for: Owners who leave an e-bike parked unattended for extended periods or have wheel gaps narrower than 1.25 inches.
- Lock type:Resettable 5-digit combination
- Chain material:Alloy steel
- Chain thickness:0.24 in (6 mm)
- Available lengths:2.62, 3.2, 4.27, 5, or 6 ft
- Combination range:Up to 100,000 codes
- Weight:About 1.45 lb for the 3.2 ft version
- Lock cylinder material:Zinc alloy
- Cover:Protective polypropylene fabric
Our verdict“Pick the NDakter chain if adaptable length and keyless use matter most, but choose a rigid U-lock for longer unattended parking.”
Sportneer Bike U-Lock – Heavy Duty Anti-Theft Lock with 5 ft Steel Cable, 17 mm Shackle and Mounting Bracket (Orange)
The Sportneer U-lock suits e-bike owners who want a more substantial primary lock without carrying the heft of the NDakter 18 mm U-lock, which weighs 3.4 lb. Its 17 mm shackle and stated resistance to 12 tons of shear force make it a more security-focused choice than the flexible cable locks in this group. The included 5 ft cable can add a second locking point for a wheel or accessory, though it should not be treated as equivalent to the U-lock’s main protection. At 1.64 lb, it is easier to carry than the NDakter but still has noticeable weight. The bracket is useful for riders whose frame tubes fit its 26–38 mm range; riders with oversized or unusual tubes may need another way to carry it.
Pros:- 17 mm shackle and stated 12-ton shear resistance offer a more security-oriented setup than cable-only locks.
- Included 5 ft cable can secure a wheel or accessory alongside the U-lock.
- Mounting bracket fits bike tubes from 26 mm to 38 mm.
- Two keys provide a spare if one is misplaced.
Cons:- At 1.64 lb, it is heavier than a cable lock for short, low-risk stops.
- The bracket’s 38 mm maximum diameter rules out some larger frame tubes.
- The cable is an add-on to the U-lock, not a substitute for securing the frame with the shackle.
Best for: E-bike commuters seeking a substantial U-lock with a secondary cable and a frame tube that fits the included bracket.
Not ideal for: Riders prioritizing the lightest possible carry or whose frame tubes exceed 38 mm and cannot use the supplied bracket.
- Shackle thickness:17 mm
- Dimensions:7.76 × 5.02 in
- Weight:1.64 lb
- Cable length:5 ft
- Bracket compatibility:Bike tubes 26–38 mm (1.02–1.5 in) in diameter
- Lock core:Zinc alloy
- Lock head:Alloy steel
- Stated shear resistance:12 tons
Our verdict“Choose this Sportneer if you want a carryable, shackle-first lock with a useful secondary cable and a compatible frame bracket.”
NDakter Heavy-Duty Bike U-Lock with 6 ft Security Cable and 3 Keys
The NDakter U-lock pairs an 18 mm hardened-steel shackle with a double deadbolt, making it the most substantial shackle option among these five. Its 6 ft cable offers more reach than the 5 ft cable supplied with the Sportneer, which can help when a fixed rack is awkwardly positioned or a second component needs securing. That extra reach comes with a real carrying cost: at 3.4 lb, this lock is twice the Sportneer’s listed weight, and there is no mounting bracket included. Three brass keys provide spares, while the dust cover and silicone coating help limit grime and frame scuffs. I’d favor it for security-conscious riders who accept the bulk, not for people who want a light everyday carry.
Pros:- 18 mm hardened-steel shackle with a double-deadbolt locking system.
- 6 ft cable is longer than the cable included with the Sportneer U-lock.
- Three brass keys provide two spares.
- Dust cover and silicone coating help limit debris exposure and frame scratches.
Cons:- At 3.4 lb, it is considerably heavier than the Sportneer U-lock.
- No mounting bracket is included.
- The cable adds reach but does not replace the U-lock as the main frame lock.
Best for: E-bike owners who want a thick hardened-steel shackle, extra cable reach, and spare keys for shared or frequent use.
Not ideal for: Weight-sensitive commuters or riders who want a ready-to-use frame mount, since it weighs 3.4 lb and includes no bracket.
- Lock type:U-lock
- Shackle material:Hardened steel
- Shackle thickness:18 mm
- Outer dimensions:7.8 × 9.2 in
- Inner dimensions:5.5 × 7 in
- Weight:3.4 lb
- Cable:6 ft long, 0.4 in thick
- Locking system and keys:Double deadbolt; 3 brass keys
Our verdict“Pick the NDakter if shackle heft and a longer companion cable matter more to you than low carrying weight or an included mount.”
Master Lock 6 ft Cable Bike Lock, 4-Digit Combination, 1/2 in Diameter (Model 8122D)
The Master Lock 8122D is the simplest key-free option here: its resettable four-digit combination means there is no key to carry or lend. The 6 ft braided-steel cable also has more reach than the Hapleby’s 4 ft cable, making it easier to loop around a rack and a wheel. That convenience comes with a clear security limit. Unlike the Sportneer and NDakter U-locks, this is a cable-only lock, and its own product description frames the protection as basic; I would use it for brief stops in lower-risk locations or as a secondary lock, not as the only defense for an unattended e-bike. The vinyl coating helps prevent scratches, but it does not make the cable resistant to cutting tools.
Pros:- Resettable four-digit combination avoids carrying keys.
- Six-foot length provides more reach than the Hapleby 4 ft cable.
- Braided-steel construction remains flexible for varied locking points.
- Vinyl coating helps protect bike paint and equipment from scratches.
Cons:- Cable-only construction offers less resistance to determined theft than the Sportneer or NDakter U-locks.
- The 1/2 in cable can be defeated with suitable cutting tools.
- Its basic security level makes it a poor choice as the sole lock for a high-value e-bike.
Best for: Riders who want a no-key cable for short stops, shared bikes, or secondary locking where convenience and reach matter more than primary-lock security.
Not ideal for: E-bike owners leaving a valuable bike unattended for extended periods or in higher-risk locations, because a cable is less resistant to determined cutting than a U-lock.
- Brand and model:Master Lock 8122D
- Lock type:Resettable 4-digit combination cable lock
- Cable length:6 ft (1.8 m)
- Cable diameter:1/2 in (13 mm)
- Cable material:Braided steel
- Coating:Vinyl
- Warranty:Limited Lifetime
Our verdict“Choose the Master Lock for convenient, keyless cable locking at lower-risk stops, but pair it with a U-lock for stronger e-bike protection.”
Hapleby 4-Foot Bike Cable Lock with 2 Keys and Mounting Bracket
The Hapleby cable lock favors easy carrying over the reach of the Master Lock 8122D: it is 4 ft long rather than 6 ft, but weighs just 10.4 ounces and includes a mounting bracket. That makes it a more convenient fit for riders who want a cable available on the bike without carrying a heavier U-lock such as the NDakter. Its braided steel cable, PVC coating, and sliding lock cover suit everyday, lower-risk stops and help reduce scratches and exposure to rain or dust. The tradeoff is inherent to this format: the description notes that cable cutters can defeat it, so I would not rely on it alone for an expensive e-bike parked for long periods. Two keys provide a backup, but there is no keyless option.
Pros:- At 10.4 ounces, it is lighter to carry than the U-lock options here.
- Included mounting bracket keeps the cable accessible on the bike.
- PVC coating helps prevent scratches to frames and secured equipment.
- Two keys and a sliding cover add practical everyday convenience.
Cons:- Four-foot length offers less reach than the Master Lock’s 6 ft cable.
- Cable construction is less suited to resisting determined cutting than a U-lock.
- Key operation means there is no combination-based backup if both keys are lost.
Best for: Casual e-bike and scooter riders who want a light, easy-to-mount cable for brief stops and scratch-conscious everyday use.
Not ideal for: Owners seeking primary security for a valuable e-bike or needing long reach, since this cable is 4 ft and can be cut with suitable tools.
- Model:C-L001
- Lock type:Key-operated cable lock
- Cable length:4 ft
- Cable diameter:0.5 in
- Cable construction:Braided steel
- Cylinder material:Zinc alloy
- Included:2 keys and mounting bracket
- Weight:10.4 oz
Our verdict“Choose the Hapleby for a light, bracket-mounted cable at quick stops, not as the sole lock for an e-bike left unattended for long periods.”
Honszex Heavy-Duty Chain Lock for Scooters and Bikes, 36.2 in
The Honszex chain lock stands apart from the U-lock and cable options here because its chain can wrap around scooters, bicycles, motorcycles, strollers, and other mobility equipment. A rubber-covered lock and fabric-wrapped chain help reduce scratches, noise, and abrasion—useful when the lock rides in a bag or rests against a frame. Its stated total length is 36.2 in, but the chain section itself is only 23.6 in, so it offers less usable wrapping length than the 4 ft Hapleby cable or either 6 ft cable in this group. The 0.23 in chain diameter is also slimmer than the Sportneer and NDakter U-lock shackles. I’d choose it for flexible, multi-vehicle use, not as the strongest option for securing a valuable e-bike overnight.
Pros:- Suitable for bikes, e-bikes, scooters, motorcycles, strollers, and other equipment.
- Fabric wrapping helps reduce chain noise and surface abrasion.
- Rubber-covered lock helps protect surfaces from scratches and improves grip.
- Chain format can suit locking points that are awkward for a rigid U-lock.
Cons:- Usable chain length is 23.6 in, shorter than the 36.2 in total lock length suggests.
- The 0.23 in chain is thinner than the Sportneer and NDakter U-lock shackles.
- Does not provide the long reach of the cable locks in this roundup.
Best for: Households or riders securing different types of mobility equipment who value a quiet, surface-friendly chain over maximum shackle thickness or cable reach.
Not ideal for: E-bike owners needing a long reach or a substantial primary lock for higher-risk parking, given the 23.6 in chain section and 0.23 in chain diameter.
- Brand and model:Honszex HZX-BL001
- Lock type:Chain lock
- Material:Alloy steel and rubber
- Total length:36.2 in (92 cm)
- Chain length:23.6 in (60 cm)
- Chain diameter:0.23 in (0.6 cm)
- Color:Black
- Included components:Lock
Our verdict“Pick the Honszex for quieter, surface-conscious locking across several kinds of equipment, but choose a U-lock for a more substantial e-bike primary lock.”
How We Picked
I compared these 15 electric bike locks by the practical questions an e-bike owner faces: what kind of lock is the primary barrier, how much flexibility it gives at common parking points, and how easy it is to carry and use repeatedly. I looked at lock style, stated chain or cable length, combination versus keyed access, listed mounting hardware, and whether a product includes a secondary cable. I also considered fit: a lock that cannot pass around the frame and a secure fixed object is of limited use, no matter its format.
The ranking gives the strongest preference to options that combine a substantial primary lock style with useful everyday flexibility, then distinguishes close alternatives by access method, carrying convenience, and the job each is best suited to. A cable-only model ranks lower as a primary choice for a valuable e-bike, even when it is easier to position. Product titles and listed features do not establish independent security certification or resistance to every attack, so I treat them as selection clues rather than proof of performance.
Factors to Consider When Choosing Electric Bike Locks
Choosing among electric bike locks starts with how and where you leave the bike, not with length or lock style alone. I would match the primary lock to the parking risk, then check that it fits the frame and a fixed object and that carrying it will not discourage regular use.
Match the primary lock to your parking risk
Begin with the places you actually leave your bike: a staffed indoor area differs from an exposed rack where it sits for hours. A U-lock or chain makes a more substantial primary barrier than a flexible cable lock, so cable-only designs are better suited to lower-risk stops or secondary use. No lock makes theft impossible, and a product name that says heavy-duty is not the same as independent security certification. Check for published testing or a recognized security rating if your decision depends on a particular resistance level. A higher-value e-bike may justify a stronger primary lock plus a separate way to secure a removable wheel. Avoid assuming that a bundled cable has the same role as the U-lock or chain it accompanies.
Check the fit before focusing on length
A lock must pass through the frame and around a fixed rack, but unnecessary open space can make positioning less secure. Measure your usual parking points and the frame area you intend to secure before picking a shackle or chain. Longer cables and chains can reach more objects, though extra reach may make carrying and handling less convenient. A cable’s total length is not the same as the space available inside a U-lock’s shackle. If you often park at wide posts or awkward racks, flexible chain or cable formats may help; for compact racks, a smaller U-lock may be easier to place well. Do not buy on length alone without checking how the lock closes around your bike and the rack.
Choose keys or a combination for your routine
Keyed locks suit riders who would rather carry a small key than remember a code, but they add another item that can be misplaced. Combination locks avoid that key-management task and can be handy when several people share a bike, though you need a reliable way to remember or store the code. A resettable combination is useful only if its instructions are clear and you can set the code before relying on it outside. Dials can be slower to operate in poor light or with cold hands, while keys can be awkward if your keyring is crowded. Think about who will lock the bike and how often before treating either access style as universally easier. A spare key or a secure code record can reduce the chance of being stranded.
Balance security against carry weight and bulk
A lock that stays at home cannot protect a bike, so carrying comfort is part of practical security. Chains generally bend around more parking arrangements but can take up more space and feel cumbersome on a commute. U-locks have a more fixed shape and may need a suitable mounting bracket or bag, so check whether included hardware works with your frame. A cable is often easier to coil, though that convenience comes with a different role as a primary barrier. Try to picture the full daily setup, including a battery, lights, and other accessories competing for storage. If a heavy lock makes you leave it behind, a manageable primary lock paired with a second layer may be a better routine.
Plan for the frame, wheels, and removable battery
Securing only a wheel can leave the frame exposed, while securing only the frame may leave a quick-release wheel vulnerable. Decide which parts need protection at your usual stops and whether the lock can capture the frame and fixed rack in one placement. Bundled cables can add reach for a wheel, but they should not be mistaken for a second lock of equal strength. Many e-bike batteries are removable, so taking the battery with you can reduce the value left on the bike; check your bike maker’s instructions before removing it. A lock also cannot protect a display, lights, or other easily removed accessories. Plan a repeatable parking routine that covers the frame first and handles removable parts separately.
Treat mounting and maintenance as part of the decision
Included mounting brackets can make a U-lock easier to carry, but compatibility depends on frame shape, available space, and any bottle cage or accessory mounts. Check the listed mounting method and how it fits your bike rather than assuming every bracket works on every frame. Keep keys and combination instructions accessible at home, and test the locking mechanism before the first ride so a setup issue does not appear at a rack. Dirt and moisture can interfere with moving lock parts over time, so follow the maker’s care guidance and avoid forcing a stiff mechanism. If a lock has multiple pieces, decide where each one will ride between stops. These small habits affect whether the lock remains convenient enough for everyday use.
Frequently Asked Questions
Is a cable lock enough as the main lock for an electric bike?
A cable lock is convenient and can reach around a frame, wheel, and rack, but flexibility and ease of handling do not make it equivalent to a rigid U-lock or chain. For a valuable e-bike parked in public, I would use a stronger primary lock and reserve a cable for a secondary wheel or accessory. A cable-only option may fit brief stops in lower-risk settings, but it leaves a different level of tradeoff than the U-lock and chain choices in this roundup. Check whether the lock’s maker publishes independent security testing rather than relying only on product wording. Your parking location and the time the bike is left unattended should guide the choice.
Should I choose a U-lock with a cable or a chain lock?
A U-lock with a cable combines a rigid main lock with added reach, making it a practical fit for riders who want a compact primary lock and a way to loop through another part of the bike. A chain can bend around a wider range of racks and parking arrangements, but it may be bulkier to carry. The included cable should be treated as a secondary layer, not as an equal replacement for the U-lock. If your regular rack is close to the bike and easy to reach, the U-lock set may be simpler to handle. If parking points vary widely, a chain’s flexibility may matter more than compact storage.
Are combination locks a better choice than keyed locks for shared e-bikes?
A combination lock can simplify access when multiple riders use the same bike because nobody has to hand off a physical key. That convenience depends on sharing the code securely and having a plan to change it when access changes. Keyed models avoid code memory and may suit a single rider who already carries a keyring, but spare keys need careful storage. A combination does not automatically make a lock more secure, and the listed number of digits alone cannot establish how resistant it is to attack. Choose the access method that your riders can use consistently without leaving the bike unsecured while they sort it out.
How long should an electric bike lock be?
There is no useful universal length: the lock needs enough reach to capture the frame and a fixed object at your normal parking locations. Measure a common rack or post and check how the lock sits when closed, rather than relying only on a cable or chain’s advertised total length. A longer option can accommodate awkward parking, but it may be harder to carry and position neatly. U-lock shackle space and cable length are different measurements, so compare the right dimension for the part doing the main securing. When a single lock cannot reach the frame, rack, and a wheel, plan a second layer instead of forcing an awkward setup.
Do I still need a second lock if my e-bike has a removable battery?
Removing the battery can reduce the value left on the bike, but it does not secure the frame, wheels, display, or other removable parts. A primary lock should still connect the frame to a fixed object, and a second lock or cable can add coverage for a wheel when the parking risk warrants it. If you use an included cable, treat it as an extra layer rather than assuming it offers the same protection as the main lock. Follow your bike maker’s instructions when removing or carrying the battery, and avoid leaving loose accessories attached. The right setup depends on how long the bike will be parked and how exposed the location is.
Conclusion
For the best overall balance, I would start with the Sportneer Heavy-Duty Bike U-Lock with 5-Foot Security Cable: its U-lock format handles the primary job, while the cable adds reach. The best value in everyday flexibility depends on your access preference: the keyed Sportneer U-lock set suits riders comfortable carrying keys, while the NDakter 4-Digit Combination U-Lock is a sensible pick for those who want code access. For a premium-style setup among these listed choices, consider the Sportneer orange 17 mm-shackle U-lock with mounting bracket if its stated build and carry setup match your needs; check fit and any independent security information before buying. Beginners may prefer a straightforward keyed U-lock set, while riders who need flexible reach can look at the chain options, and those seeking a compact secondary layer may prefer a cable lock. Choose based on your regular parking points and what you will carry every ride, then secure the frame to a fixed object first.
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