Sprocket Renthal CW 503-428 Std 13T Ktm SX 85

Renthal offroad motorcycle sprockets are a favorite of motocross and supercross teams over any other sprocket on the market today. They are CNC machined from hardened and finished 655M13 chromium nickel steel. HARDENED PINION The hardening process ensures that the pinion has the longest possible life. Each sprocket undergoes a high-temperature treatment that hardens the surface. FINISHED CORE 655M13 nickel-chromium-molybdenum alloy steel offers the perfect combination of strength and hardness. CNC MACHINING Renthal produces its sprockets with CNC machines in its factories in England to precisely machine every single tooth, to ensure maximum traction and durability of the transmission. Hardening process for maximum strength Finished core for maximum hardness and durability The most used sprocket in the world by motocross and supercross teams.