The kryptonite kryptoflex seatsaver 25 ft cable lock comprises of a braided steel cable which has a greater core density than a standard twisted cable increasing resistance to bolt cutter attacks this cable lock is encased in a smooth yet durable vinyl coating which not only protects the steel cable but also protects the paint work on your bike the kryptonite kryptoflex seatsaver 25 ft cable lock can be used with kryptonite d locks disc locks and padlocks allowing you to tailor bike secur