With OnGuard's Doberman Combo lock, all you need is your bike, the lock, and a number you can remember. This combination lock uses four numbers and can be reset any time. It's made from a strong steel cable covered with tough vinyl to protect both itself and your bike. The Doberman Combo is also self-coiling for easy transport.

This mounting bracket is for transporting Steel-O-Flex, cable, and coil cable locks. - Enables transporting the lock on the seat post, on the frame, or on the rack stays - Compatible with frame diameters of 15 - 55mm - Simple mounting without tools

High security locking mechanism 12mm self coiling cable Tough Vinyl cable cover Include a quick release mounting bracket Include 2 keys