Black Suzuki "GSXR" Engraved Swingarm Spools Sliders. Easy installation! bolt straight into your swingarm (mounting bolts are included).. These swingarm spools are designed to protect your swingarm & axle nut in the event of a crash.. They can also be used with a race stand to lift the rear wheel off of the ground for changing your tire or oiling your chain.. PROTECT YOUR BIKE! LASER ETCHED LOGO.