Kryptonite Keeper 12mm U-Lock Bicycle Lock with FlexFrame-U Bracket , Black Size:Mini-6 Raised and ramped center knobs

Raised and ramped center knobs provide traction with fast rolling

so it looks stylish by day and fantastic by night

The CushCore Bead Bro clips between the tire bead and rim

Interactive auto-rotating targets

soak shafts

Kryptonite Keeper 12mm U-Lock Bicycle Lock with FlexFrame-U Bracket , Black Size:Mini-6 Raised and ramped center knobsThe Kryptonite Keeper Standard U Lock features a 12 mm hardened steel shackle with a double deadbolt anti rotation design that resists bolt cutters and twisting leverage attacks. The locks disc style cylinder with center keyway is protected by a vinyl coating and is pick and drill resistant. It includes two stainless steel keys with an ergonomic design to reduce torque and keep them from bending or breaking. Rated at a 5 10 on our security scale, the