Walmart has the Kryptonite Mini 12mm U-Lock Bicycle Lock & 8mm Looped Bike Security Cable for only $14.97! (Reg. $25) The Kryptonite TKO Mini U-Lock features a 12mm hardened steel shackle with a bent foot anti-rotation design that resists bolt cutters and twisting leverage attacks. The lock disc-style cylinder 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 bending or breaking.