Kryptonite

Features

1. 7mm, 4-sided chain links are made from 3t hardened manganese steel for stout strength
2. Ends of the chain are protected and secured to the hardened dead bolt, eliminating a critical point of vulnerability and enhancing security
3. Disc-style cylinder lock is pick- and drill-resistant; hardened dead-bolt locking mechanism offers secure holding power
4. Chain is covered with protective, weather-resistant nylon to ensure lasting use that also helps protect your frame's finish
5. Includes 2 updated, ergonomic "I" keys
6. Eligible for Key Safe Program: register your key number with Kryptonite for easy replacement of lost or worn keys for a minimal fee
7. Kryptonite rates this lock a 5 on their 10-point system with 1 being simple, deterrent security and 10 being extreme security
8. Lifetime warranty offered by Kryptonite