Kryptonite Evolution Std Lock & Flexframe BracketThe Evolution Std U-Lock provides bicycle security for moderate to high  crime areas, with a standard-length shackle and a superb construction. The high  security ovalised cylinder makes this a Sold Secure Gold Standard lock. Also  featuring a Flexframe bracket, it can be mounted to almost any frame tube for  convenience when cycling and it is designed to not cause any paint damage to  your frame.Features:14mm hardened Kryptonium steel shackleSold Secure Gold Rated3 keys, including 1 w/ integrated lightFlexFrame mounting bracketVinyl coated and weatherproofU-lock dimensions: 10.2cm x 22.9cm x 14mmBuy Kryptonite Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.