Give yourself some peace of mind at the downtown restaurant you just biked to with the secure Kryptonite KryptoLok ATB U-Lock-Double Deadbolt. With a high-grade hardened steel construction, this lock's shackle resists hand tools with force, while the double deadbolt design gives additional protection against twist attacks. The high-security disc cylinder is pick and drill resistant, and the protective vinyl coating helps save your frame from scratches. Plus, the FlexFrame-U bracket offers convenient transport through multiple locations.