Secure your ride with the Kryptonite Keeper Lock featuring a robust 12mm hardened performance steel shackle and a new hardened double deadbolt design with anti-rotation resistance against twists. The disc-style cylinder ensures optimal security, while the click-style transportation bracket provides convenient transport. It includes a 4' flex cable for additional versatility in securing your front wheel or other accessories. Equipped with two stainless steel keys with an ergonomic design to reduce torque and prevent bending or breaking, this lock ensures reliable and durable protection. Join the Key Safe Program for added assurance. With dimensions of 4" x 8" (10.2cm x 20.3cm) and a weight of 2.40 lbs (1.09 kgs), it strikes the perfect balance between strength and portability.