The Kryptonite Kryptolok Series 2 U-Lock 4 x 9 & 4ft Kryptoflex Cable w/BKT (NEW 001072)(3C) features a 13mm hardened performance steel shackle that resists cutting and leverage attacks and a 4’ KryptoFlex double loop cable for securing front wheel or accessories, allowing for maximum versatility and security. It also features a reinforced hardened cross bar design, which provides increased protection. 

• Furthermore, it also has a high security disc-style cylinder, an anti-rattle bumper for reduced noise during transport, and patented EZ Mount transportation system which allows for versatile carrying. 
• In addition, it features a protective vinyl coating to prevent against rust and corrosion, as well as a rotating dustcover that protects the cylinder. 
• Included as well are 2 stainless steel keys and a Key Safe Program. Kryptonite Kryptolok Series 2 Bicycle U-Lock 4 x 9 & 4ft Kryptoflex Cable w/BKT (3C) offers maximum protection with minimum fuss and hassles.