Kryptonite Kryptolok Standard 12.7mm U-Lock Bicycle Lock with FlexFrame-U Bracket

12.7mm Hardended Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks 12.7mm Hardended Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks Interior Locking Dimensions; 4" x 9" 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 $1,750 Reimbursement Lifetime Warranty Key Safe Program