Super strong U-lock to protect your bike. 14mm hardened MAX-PERFORMANCE STEEL SHACKLE 3 STAINLESS STEEL KEYSincluding new key design and one LED REPLACEABLE KEY FOB Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist attacks NEW SMALLER CROSSBAR DESIGN HIGHER SECURITY DISC-STYLE CYLINDER is pick and drill resistant Includes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport Protective vinyl coating Patents: 6397648B1, 9079626B2, 9670698 Security rating: 8/10 Weight 1.59 kg Dimensions 10.2cm x 22.9cm