Best Bike Chain Locks for Bike Security (2026)
We ranked chain locks by construction (hardened steel/square links), locking mechanism strength, length/weight balance, user ratings, and overall value for typical urban cycling security needs
Top Picks
-
1
Kryptonite Keeper 785 Bike Chain Lock, 2.8 ft
Heavy-duty 7mm manganese steel bike chain with four-sided links and a high-security disc-style cylinder. Customers note strong build and resistance to brute force, with some difficulty locking/unlocking at times
- 7mm manganese steel chain
- patented locking system
- disc-style cylinder
-
2
IMAYCC 4-digit scooter lock with 3 keys, heavy-duty chain lock
4-digit combination scooter lock with 3 keys for secure bikes, scooters, and motorcycles. Easy to set personalized codes and retrieve original password with key. Customers note its heavy-duty build and strong security against tampering
- 4-digit resettable combination
- anti-theft cylinder and alloy chain
- 3 backup keys included
-
3
ABUS Hardened Steel Square Link Security Chain 1/2in thick 2 ft
Hardened steel security chain with squared links for bikes and property protection. Anti-corrosion coating for outdoor use and high cut resistance. Customers note strong security and heavy heft, with mixed opinions on length
- squared links resist gripping tools
- high cut resistance of hardened steel
- outdoor-friendly anti-corrosion coating
-
4
Scooter Lock with Key, anti-theft security for e-scooters and bicycles
Anti-theft scooter lock with handcuff-like design for bicycles, electric scooters, and motorcycles. Provides high security and ease of use, though some note heavier weight and durability concerns with accessory straps
- handcuff-style security
- multi-vehicle compatibility
- keyed access
-
5
ABUS Hardened Steel Security Chain (8KS, 6 ft, 5/16 in) for Bikes & Gear
hardened steel security chain with anti-corrosion coating and square links for improved tool resistance; includes a nylon sleeve to prevent paint damage. customers note solid build and long length, good value for money
- hardened steel with anti-corrosion coating
- square links for enhanced security
- nylon sleeve to prevent damage