RK 254 Steel Rear Sprocket #520 Rim Diameter_21 Inch Suitable for a variety of

Suitable for a variety of chain sizes

Perfect for one-off custom motorcycles

Open end for use with aluminium hand guards and bar ends

Interior Diameter Center Housing: 16mm

gel-like compound provides the ultimate surface to improve hand control

RK 254 Steel Rear Sprocket #520 Rim Diameter_21 Inch Suitable for a variety ofRK Takasago Sprockets Now Available to the Public Race Teams the world over have had the luxury for years of getting the royal treatment when it comes to quality RK racing chains. Now finally after years of racing success, RK sprockets are available to the general public in New Zealand and the world. Rigourously tested by top international racers on tracks and circuits, RK bring their superior quality and manufacturing controls to every individual