Z10 KAWASAKI Ninja 250R 300 500 500R 650R 750R CNC Swingarm Spool Sliders Color : Black Condition: 100% Brand New,Billet Aluminum Swingarm Spools/Sliders,Anodized for a durable 10mm Thread , Will fit KAWASAKI bikes with the mounts that have a 10mm thread, Bolts are included Easy installation! bolt straight into your swingarm PACKAGE CONTENT:1 pair