Military-grade steel chain lock with a user-configurable 5-digit combination. 100cm chain length loops through frame, wheels, and rack. No keys to lose.


Key Features
- Hardened steel chain links
- 4-digit resettable combination (no keys to lose)
- Chain length: 33" (84cm)
- PVC coating protects frame from scratches
- Compact enough to wrap around seatpost when riding
Specifications
| Material | Military-grade steel |
|---|---|
| Chain Length | 100cm |
| Force Resistance | Up to 12 tons |
| Combination | 5-digit, user-configurable |
| Anti-Theft | Anti-theft cylinder with dust cap |
| Standards | GB21556-2008 & QB1001-2006 |
Frequently Asked Questions
Can I reset the combination?
Yes. The 5-digit combination is user-configurable so you can set your own code.
How long is the chain?
100cm. Long enough to loop through frame, wheels, and a bike rack.
How strong is this lock?
Military-grade steel resists up to 12 tons of force. The anti-theft cylinder includes a dust cap to prevent debris from jamming the lock.