The New U, the U-Lock redesign from Kryptonite, features expanded double-deadbolt security, anti-rotation capability, and a fresh new design, all making life quite a bit harder for the bike thieves of the world. Specifications and Features: - Security rating: 8/10 - 14mm hardened MAX-PERFORMANCE STEEL SHACKLE - 3 STAINLESS STEEL KEYS -- including 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 - Key Safe Program - Product dimensions: 4" x 11.5" (10.2cm x 29.2cm) - Product weight: 3.85 lbs (1.75 kgs)