Kryptonite Kryptolok 912 Combination Integrated Chain, Black

For riders locking up around town, the Kryptonite KryptoLok 912 Combination Integrated Chain is a security chain lock. The 120cm chain uses 9mm triple-hardened manganese steel square links wrapped in a weatherproof, foldable nylon cover that resists scratching frames.

A 5-digit resettable combination offers more than 100,000 codes, and the hardened lock head resists lever attacks. Kryptonite rates it 6 out of 10 for security. It weighs 7.35 pounds.