Key Features:14mm hardened MAX-Performance steel shackleNew patent pending hardened double deadbolt design gives additional protection against twist attacksHigh security disc-style cylinder is pick and drill resistantAnti-rattle bumpers reduce noise during transportNew dust coverNew smaller crossbar designIncludes Transit FlexFrame-U transportation system which allows for versatile carryingProtective vinyl coating3 stainless steel keys – one lighted with high intensity LED bulb & replaceable batteryKey Safe ProgramRated 8/10 on Kryptonite's security scaleOptional ATPO - £ 2,000Product dimensions: 4” x 9" (10.2cm x 22.9cm)Product weight: 3.5 lbs (1.59 kgs)Sold Secure Bicycle Gold certified