Kryptonite Keeper 12 Standard Shackle U-Lock w. 4ft Flex Cable

Excellent protection. 12mm hardened steel shackle. Hardened double deadbolt gives additional protection against cut and twist attacks. Disc style cylinder with centre key-way. Includes side-mount snap-in bracket. Includes 4' flex cable for securing front wheel or other accessories. Includes 2 stainless steel keys with ergonomic design to reduce torque and keep them from bending or breaking. 4" x 8" (10.2cm x 20.3cm). 2.4 lbs (1.09kg). 5/10 Security Rating.