Master lock high security u bars offer complete protection and come supplied with a looped cable the 120m looped end cable is very convenient for securing the frame and also the front and rear wheels at the same time providing ultimate security all master lock bike locks with locking mechanism have a lifetime warranty against mechanical failure sold secure bicycle gold certified available in two sizes mlk8274e 210 x 110 x 13mm mlk8285e 280 x 110 x 13mm