Bike locks / Heavy duty U-locks
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U-lock Bike Locks

Catalog updated 2026-10-21

Classic rigid shackle locks providing high-level security for urban environments 155 locks · 58 brands

Keyed Flexible cable locks Combination Heavy duty Electric scooter locks Heavy duty chain locks Hardened steel locks With mounting brackets Motorcycle grade locks Black Cheap 4-digit combination locks High security Heavy duty U-locks For electric bikes Compact folding locks 4ft long Lightweight Waterproof 12mm thick 6ft long Mountain 5-digit combination locks 10mm thick 5ft long Road 3ft long 14mm thick Blue U-locks with security cables Kids Bluetooth smart locks Fingerprint Alarmed Orange Sold Secure Gold rated locks 16mm thick Green Red Yellow Fits 16 inch Integrated frame locks Sold Secure Diamond rated locks Gray

Best U-lock Bike Locks

# Model Maker Range Weight Length Check offer
1 Black vinyl coated steel u-lock with bracket 8.4 Pacific Cycle, Inc (Accessories) Black vinyl coated steel u-lock with bracket Pacific Cycle, Inc (Accessories) $16.99 0.84 kg 19 cm
$16.99 Check offer
2 Looped security cable with combination u-lock DocksLocks Looped security cable with combination u-lock DocksLocks $27.99 — —
$27.99 Check offer
3 Wide U-lock with mounting bracket 9.4 Master Lock Wide U-lock with mounting bracket Master Lock $18.99 0.89 kg 24.9 cm
$18.99 Check offer
4 Portable Waterproof Scooter U-Lock ROCKBROS Portable Waterproof Scooter U-Lock ROCKBROS $27.99 — 11.4 cm
$27.99 Check offer
5 Motorcycle chain with heavy duty U-lock Titanker Motorcycle chain with heavy duty U-lock Titanker $35.99 4 kg 22.3 cm
$35.99 Check offer
6 Hardened Steel U-Lock with Accessory Cable Hiplok Hardened Steel U-Lock with Accessory Cable Hiplok $102 1.13 kg 22 cm
$102 Check offer
7 Max Dual Force U-Lock with Extension Cable 7.1 TRIMAX Max Dual Force U-Lock with Extension Cable TRIMAX $27.54 — 43.2 cm
$27.54 Check offer
8 Evolution mini-9 anti-theft steel u-lock 9.4 Kryptonite Evolution mini-9 anti-theft steel u-lock Kryptonite $86.79 1.43 kg 29.3 cm
$86.79 Check offer
9 Lightweight black aluminum alloy u-lock ULAC Lightweight black aluminum alloy u-lock ULAC $35.95 0.46 kg 12 cm
$35.95 Check offer
10 Granit 640 compact u-lock 6 inch 9.3 ABUS Granit 640 compact u-lock 6 inch ABUS $109 0.45 kg 14 cm
$109 Check offer

Rigid steel shackle inventory

This directory indexes 185 heavy-duty U-locks designed for high-risk urban environments. The collection focuses on rigid steel shackles ranging from 12.7 mm to 16 mm in thickness, providing a physical barrier against cutting tools. These units serve as the primary security standard for bicycles, e-bikes, and scooters.

The catalog includes standalone shackles and integrated kits featuring secondary cables or lighting sets. Users can filter by locking mechanism, choosing between traditional keyed cylinders and resettable combination dials.

Shackle variations and hardware

The index categorizes U-locks based on shackle length and specialized features such as integrated alarms or adjustable heights. These tools are sorted by their application across different frame types and mounting requirements.

Security specifications FAQ

Q: What shackle thickness is available in this set? A: The collection features steel shackles ranging from 12.7 mm to 16 mm for varying security levels.

Q: Are there electronic options in this directory? A: Yes, the list includes stainless steel models with built-in anti-theft alarm systems.

Similar sets
Keyed Heavy duty Hardened steel locks With mounting brackets For electric bikes Electric scooter locks High security Mountain