The Kryptonite Keeper 712 Chain Lock offers reliable, compact security for your bike. This chain lock features a 7mm four-sided chain made of manganese steel, providing robust resistance against cutting and theft. Its 3.93-foot (120cm) length is perfect for locking your bike to various fixed objects while maintaining portability.

The lock includes a durable disc-style cylinder with a key mechanism that resists picking and drilling for added peace of mind. The protective nylon cover prevents scratches on your bike frame and ensures the chain remains tangle-free. Lightweight and easy to carry, the Kryptonite Keeper 712 is ideal for urban and suburban riders who value both security and convenience.