14-20 KTM RC 390 Drive Systems Superlite RSR-R 520 Rear Sprocket
Drive Systems Superlite RS8-R Series Rear Sprocket Superlite RS8-R Series rear sprockets are CNC machined from 7075-T6 aircraft grade aluminum to exact tolerances for precise fitment and weight reduction. The RS8-R is black hard anodized for extreme strength and then Teflon coated for less friction. Gauranteed to be the lightest and strongest alloy sprocket on the market...