This folding lock by kryptonite comes with 8 mm thick movable links made from hardened steel this allows you to flexibly use the lock and to secure your bike almost anywhere you like it provides high resistance to attacks through cutting and pulling its thick coating protects the bike39s paint when riding you can store it safely in the included holder that can either be fixed at the bottle cage drilling with two bolts or to the frame of your bike with two rubberised velcro straps8 mm har