Rider-matched picks
Locks for e-bike riders
Size-matched locks picks for e-bike riders, with fit and feature priorities curated for how e-bike riders actually ride.

Locks picks for e-bike riders
Check Amazon for current pricing and availability.

Abus
ABUS Granit X-Plus 540 - 9-Inch with USH Holder
Selected 9-inch shackle version with USH frame holder. Holder fits frame tubes 0.59-1.38 inches in diameter. Check clearance around the frame, wheel and fixed rack before ordering.

Bell
Bell Watchdog 100 Combo Cable Lock
A deterrent for brief, low-risk stops, not primary security in theft-prone areas. Check that the cable reaches around the frame and locking point.

Bell
Bell Catalyst 300 U-Lock
Compact U-lock format suits frame-to-rack locking in campus and city settings.

Kryptonite
Kryptonite Evolution Standard - 14mm
This offer is size Standard (14mm), color Black. Check the selected variant and mounting or fit requirements before ordering; other family variants are separate listings.

Master Lock
Master Lock Python 8419DPF Cable Lock
Lengths: 5mm x 6ft (1.8m), 8mm x 8ft (2.4m). Armored cable with protective nylon coating. Casual/low-risk use.

Onguard
OnGuard Brute LS U-Lock - 16.8mm
Selected Brute LS long-shackle model, with 111 x 260mm listed interior clearance. Check that the lock can enclose your frame, wheel and fixed parking rack.

Schwinn
Schwinn Bike U-Lock with Cable
Key-operated U-lock plus 4 ft extension cable lets you secure both wheels through a rack or post. Comes with a frame bracket so you can carry it on the bike.

Seatylock
Seatylock Mason 220
Inner dimensions available in 4 sizes: 3" x 6" to 4" x 9". Premium hardened steel shackle. Design award winner.
As an Amazon Associate we earn from qualifying purchases. Purchases made through these links help support our free calculators.
What matters for e-bike riders
E-bikes weigh 20-30 kg compared to 8-12 kg for acoustic bikes, which fundamentally changes how sizing affects handling. The extra weight actually improves stability at speed but makes low-speed maneuvering and stopping more critical - ensure you can confidently put both feet flat on the ground when stopping, especially if you're new to cycling. Step-through frames are strongly recommended for riders with any flexibility limitations, as swinging a leg over a heavy e-bike is significantly harder than a standard bicycle. Mid-drive motors (Bosch, Shimano, Brose) center weight low near the bottom bracket, providing better balance than hub motors which place weight in the wheel. Battery placement (downtube integrated vs rear rack) also affects weight distribution - integrated downtube batteries provide the most natural handling. When sizing, use the same frame size you'd ride on an acoustic bike of the same type - e-road bikes size like road bikes, e-MTBs size like mountain bikes. The motor assist actually makes sizing slightly more forgiving, as you're less reliant on optimal pedaling efficiency.
Locks sizing guidance
Match lock value to bike value (rule of thumb: spend ~10% of bike value). Inner U-lock dimensions need to clear frame + wheel + secure object. Standard U-lock: 4" x 9" fits most frames/single wheels. Compact: 3" x 6" for lightweight bikes/portability.
Most e-bike riders choosing locks also compare bags & panniers for e-bike riders, baskets for e-bike riders, and bells & horns for e-bike riders.
Expert tips
- Size your e-bike the same as you would the acoustic version - a Trek Rail sizes like a Trek Fuel EX
- Step-through frames aren't just for seniors - they're practical for anyone who stops frequently in traffic
- Mid-drive motors (Bosch, Shimano, Specialized) provide the most natural pedal feel and better hill climbing
- Test ride with the battery fully charged AND nearly empty - the bike handles differently with 3-4 kg less weight
Locks head-to-head comparisons
Cross-shop the locks e-bike riders actually consider - specs, fit, and the deciding factor.
Compare the listed u-lock and u-lock formats, product specifications, fit notes and catalog price snapshots for bike lock. Check the exact variant and your setup before ordering.
Compare the listed u-lock and u-lock formats, product specifications, fit notes and catalog price snapshots for bike lock. Check the exact variant and your setup before ordering.
Compare the listed u-lock and u-lock formats, product specifications, fit notes and catalog price snapshots for bike lock. Check the exact variant and your setup before ordering.