kryptonite kryptolok standard u-lock w/flexbracket

13mm hardened performance steel shackle resists cutting and leverage attacks Features: New patent pending hardened double deadbolt design gives additional protection against twist attacks High security disc-style cylinder is pick and drill resistant Anti-rattle bumpers reduce noise during transport New dust cover Includes transit flexframe-u transportation system which allows for versatile carrying Protective vinyl coating 2 stainless steel keys Key safe program Rated 6/10 on Kryptonite’s security scale Optional atpo - £1,000 Product dimensions: 4” x 9” (10.2cm x 22.9cm) Product weight: 2.9 lbs (1.32 kgs) Sold secure bicycle gold certified