Krator 701-0300 Black Swingram Spool Slider (Honda/Suzuki / Kawasaki/Ducati CBR 954 RR GSXR 600 750 1000 1300 SV650) Specifications: High Quality Delrin Swing arm Spools/Sliders(Left & Right Sides) These swing arm spools are designed to protect your swing arm & axle nut in the event of a crash Easy installation no additional hardware required Manufactured in China