Kryptonite Evolution Long U-lock w/FlexFrameBracketThe Kryptonite Evolution Long U-lock is a superb lock for protecting your frame from theft in high risk areas. Featuring a 14mm diameter shackle tubing and a double deadbolt design, which enables it to resist bolt cutter, twist and leverage attacks. It comes supplied with a Flex Frame bracket so you can mount it to your frame for convenient transport and it has been vinyl coated to protect your frame should they happen to clash.Strong, Effective ConvenienceTo increase the lifespan of the lock it features a Hardened Oval Crossbar, which is stronger and will be effective for longer than a traditional round tube lock. The locking mechanism has a sliding dustcover to protect the key slot from the elements, grit and dirt. The lock comes supplied with 3 stainless steel keys; one of which has a high-power LED light on it for night time convenience when locking/unlocking your bike.Features:    Security Rating: Sold Secure Gold  Material: Lock: Hardened Kryptonium Steel; Keys: Stainless Steel  Shackle Length: 29.2cm  Shackle Width: 10cm  Shackle Diameter: 14mm  Weight: 1.7kgBuy Kryptonite Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.