Kryptonite Keeper Folding Locks provide easy to carry reliable protection for moderate theft protection. The transport bracket can mount to frames using included straps or by bolding to the bike's bottle mount locations.3mm Hardened Steel links for moderate security lock-upsEast to install Transport Bracket for hassle free transportationEasy to use dials with highly visible digits that provide a high level of ergonomicsCompact and easy to transportIncluded in Kryptonite Combo Safe program