Kryptonite Keeper 712 Heavy Duty Bicycle Chain Lock, 4 Feet Long Anti-Theft

HEAVY-DUTY BIKELock: Maximum Protection for Your Ride

• Robust Design
  Made from 7mm hardened steel with four-sided links, this bike lock offers unparalleled resistance against cutting and leverage attacks, making it the ideal choice for securing your bike in high-risk areas.

• High-Security Locking System
  Equipped with a patented disc-style cylinder that is highly resistant to picking and drilling, ensuring your lock remains secure. The patented end link design securely attaches the chain to a hardened deadbolt, eliminating any weak points and providing an extra layer of security.

• Durable Protective Features
  The durable rubber coating not only protects your bike from scratches and wear but also adds an extra layer of padding. The weather-resistant nylon sleeve ensures that your bike remains protected against the elements, preventing scratches and other wear due to harsh weather conditions.

• Durable and Long-Lasting
  With a keeper 712 integrated chain extending up to 120cm (47.3 inches) in circumference, this lock offers ample length for both securing your bike and attaching additional accessories. Crafted from 7mm hardened steel links, it is designed to withstand the rigors of daily use. The heavy-duty lock weighs 1.70kg (3.75 lbs), providing a sturdy and dependable solution. Rated 5/10 for moderate security on our scale, it strikes a balance between strength and portability.

• KeySafe Program
  Enjoy peace of mind with our KeySafe Program. For the first two keys, Kryptonite will ship them free globally in the event of loss. Register your unique key code on our website to order new keys if you ever misplace them. This program ensures you always have access to your bike—even if you misplace your keys.

Enhance your bike’s security and peace of mind with the Keeper 712 Heavy-Duty Lock.