Apico Evolite Blue Rear Sprocket 520 Pitch For Yamaha WR 400F 1998-1999 9438 Sliding speed: v< 20 m/s

Sliding speed: v< 20 m/s

Innovative 3D knee construction and hidden expansion panel designed to accommodate knee protectors

Ball Bearing 2 Screw 1 Screw 1 Spherical Bearing 1 Snap Ring 1 Nut 1 Spring 1

One Kit Per One Upper A-Arm

All Balls Racing Dirt Bike & ATV Chain Rollers are a direct replacement for the OEM design

Apico Evolite Blue Rear Sprocket 520 Pitch For Yamaha WR 400F 1998-1999 9438 Sliding speed: v< 20 m/sSpecifications Apico's Evolite rear sprocket are manufactured using durable CNC machined 7075 'aerospace' grade aluminium, here in the UK by one of the world's leading sprocket manufacturers. The Evolite sprocket carries the unique dirt groove that allows the sprocket to self clean and helps to reduce wear in the chain and the sprocket for a longer product lifespan. These sprockets are available in 38 to 52 tooth for motocross, enduro and trials bikes