CHAIN RK 525XSO 124 MESH CLF Motorcycle transmission chain RK step 525 for road use. The innovative "RX" sealing rings, with four contact points, two lubricant storage zones and a stabilizing reinforcement rib, make these chains excellent and versatile. High resistance to heat and abrasion le up to 30% longer than the corresponding chains with round section rings. Silver color. NOTES: length 124 meshes, comes with closure da (CLF) MADE IN JAPAN