YSS suspension shock absorber MX456-310H1RCL61 for Honda CB 500 X 17-18 PC59. The YSS suspension MX456 Topline series is a Nitro gas supported shock absorber. The offered shock is specifically developed for your motorcycle model. Hydraulically adjustable on spring-preload with a knob on a hose, rebound and compression damping and ride height. The shock is approved by the German T�V for German and Swiss KBA-ABE. YSS offers a 2 year full factory warranty.