The Kryptonite U-Lock features a 12.7mm hardened steel shackle with a double deadbolt anti-rotation design that resists bolt cutters and twisting leverage attacks. The locks disc-style cylinder with side keyway is protected by a sliding dust cover and is pick and drill resistant. It includes two stainless steel keys with an ergonomic design to reduce torque and prevent from bending or breaking. Rated at a 5/5 on our security scale， this U-Lock is good for quick stops in a metropolitan area， a couple hours in the suburbs or all day & overnight in rural areas. These great features， along with our support programs like Key Safe， Anti-Theft Protection， and a Lifetime Warranty， make Kryptonite Bicycle Locks the best choice for protecting what you value.
- 12.7mm hardened steel shackle resists hand tools， bolt cutters， and leverage attacks
- Interior locking dimensions: 4" x 9" (10.2cm x 22.9cm). Product weight: 2.9 lbs (1.32 kgs)
- 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 $750 reimbursement
- Lifetime Warranty
- HIGH-SECURITY DISC-STYLE CYLINDER is pick and drill resistant. Protective vinyl coating protects bicycle from scratches
- Kryptonite Security Level 5
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