The AXA Hawk chain is a quality chain lock. The chain is 100 cm long and the diameter of the shackles is 8 mm. It comes with 3 keys and does not have a service key. The black case protects your bike from scratches. Open the lock with the key, then you can pull the handle(s) and pull the chain. Safety description Safety level 8 Hardened steel chain Comfort description Strong polyester sleeve to prevent damage Technical description Length 100 cm Link diameter Ø 8 mm 3 keys