Krator SPL-003 Black Swingram Spool Slider (Low Profile 10mm (Fits Bikes) Kawasaki ZX6 ZX6R ZX6RR ZX9R ZX10-R ZX12-R ZX14 Ninja EX600 ZZR600) Specifications: Low Profile Mini 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