Krator HBD030-8B Swingram Spool Slider (HONDA CBR 600 954 1000 RR SPIKE FRAME) Specifications: High Quality Billet Aluminum 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