The Kryptonite Keeper 512 Combo Cable Lock is designed for any quick release parts and accessories that you need to keep safe. It boasts a self coiling flexible steel cable that's 5mm in diameter wrapped with a protective vinyl cover, with a preset 4-digit combination and Kryptonite's COmbo Safe Program. The cable on the Keeper 512 Combo Lock is 120cm in length and the whole Kryptonite Keeper 512 Combo Cable Lock weighs in at 110g (0.25lbs).