Kawasaki Ninja 250R 2004-2013 650R 2006-2013 ZX6R RR 636 Swingarm Spools 10mm Color : Black Bolt:10mm Thread High Billet Aluminum Swingarm Spools/Sliders,Anodized for a durable and lasting finish Easy installation! bolt straight into your swingarm PACKAGE CONTENT:1 pair