Limited edition colour lock Bicycle security for moderate to high crime areas, with a standard length shackle 13 mm hardened Kryptonium steel shackle Patented deadbolt locking mechanism for extensive holding power High security disc style cylinder Reinforced sleeve over crossbar & cylinder provides enhanced security protection Reinforced internal housing increases resistance to twisting & leverage type attacks U-lock dimensions: 8.2 cm x 17.8 cm x 13 mm Approved to bicycle Silver Sold Secure standard