Kryptonite Keeper Long Shackle 12mm U-Lock Bicycle Lock with FlexFrame-U Bracket

12mm Hardened Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks

Interior Locking Dimensions; 4" x 10"

Key Safe Program; Kryptonite will ship your first 2 keys for free, globally, in the event you lose them.

Anti-Theft Protection Offer; Up to $500 Reimbursement

Lifetime

12mm hardened steel shackle resist hand tools

Reinforced collar over keyway for increased protection

High security disc-style cylinder

Includes click style transportation bracket

High security Bent Foot design for ease of use

Protective vinyl covering

Key Safe Program