RK ALLOY RACING SPROCKET - 49T 520P - BLUE 1233001233121 0 mm ID - Inner

0 mm ID - Inner Diameter 110

Rear cassette-style mounting includes an O-ring to block water ingress to the wheel hub

the innovative Evotech Performance design ensures the nylon bobbin heads can rotate above the aluminium to decrease wear on the part and stress on the wheel

Kit can help reduction of high-frequency vibration experienced through the handlebar

Fastened onto the swingarm with no alteration required to your Yamaha

RK ALLOY RACING SPROCKET - 49T 520P - BLUE 1233001233121 0 mm ID - Inner49 Teeth, Rear Alloy SprocketSuit 520 Pitch Chain. CNC Machined from 7075 T6 European Aircraft Grade Aluminium. Hard ANODIZED Finish in BLACK or TEAM COLOURS. New Lightweight Design for better Performance Downloads >