If you plan on going to the track, or just working on your sportbike at home, Shogun Swing Arm Sliders (Spools) are a must. Designed with style and function in mind, these sliders are for use with race-type swing arm stands as well as adding protection to your swing arm in the event of a crash. CNC machined, with the highest grade steel bolt and aluminum inserts. Manufactured with the same industry leading technologies as Shogun frame sliders. Provide protection for your swingarm and use with spool type stands. These are a favorite with everyone from pro racers to commuters. Made in the U.S.A.