Kryptonite York Standard Heavy Duty Bike U Lock
The u-lock features a 16 mm hardened max performance steel shackle with a double deadbolt anti-rotation design that resists bolt cutters and twisting leverage attacks. It includes three stainless steel keys with an ergonomic design to reduce torque and keep them from bending or breaking. The price drops from $142.95 to just $99.35 w/ free shipping.