OnGuard Mastiff Chain, Integrated Lock (110cm x 10mm/3.57 feet x 0.39 inch)

OnGuard's Mastiff Chain delivers protection for your bike in high-risk areas. Its hardened, 10mm square link chain resists attacks from saws and cutters, while the burly lock uses OnGuard's X2 dual-lockdown design to protect against picking, pulling, and bumping. This lock comes with five keys, including one with a built-in light.