CL01: Compatible with ABM18 + ABM14 Fits standard seat rails CL01 Pro: Compatible with ABM25 + ABM14 Fits wide carbon seat rails (up to 52 mm) With its horizontally-mounted light strip and 300° wide-angle beam, the CL01 delivers outstanding side visibility to keep you seen from all directions. The sleek, rail-mounted design fits cleanly beneath the saddle for a streamlined, integrated look. Weighing just 22g, it also features smart brake detection, auto on/off, long battery life, and IPX6 water resistance—making it a compact yet powerful safety solution for any ride.