This extra wide Custom Yamaha Roadstar Swingarm is a bolt on replacement for the stock Yamaha Roadstar swingarm and will allow you to mount up to 250 tires in the back of your custom metric cruiser. This custom swingarm for Roadstars is made to work in conjunction with our 18×9 rear wheels. For belt clearance reasons you need to install it with of our 20mm front offset pulley, so that you can keep your stock belt. Otherwise you need to cut your belt 1-1/8” wide. Custom Yamaha Roadstar Swingarm Kit includes black powder coated swingarm to match the stock Roadstar frame, wheel axle, polished aluminum axle covers, splash guard, 10″ brake rotor, billet aluminum caliper bracket for stock Roadstar caliper and necessary hardware. 20mm front offset pulley is sold separately. It works great with our Starfire Rear Fender for Yamaha Roadstar, Spooky Rear Fender for Yamaha Roadstar or Evo Rear Fender for Yamaha Roadstar.