Product Description This listing is a set Swing arm Sliders Spools This set looks great on bike. Condition: 100% Brand New Color: as shown in the picture Material: CNC aluminum For: Ninja 400 650 Z650 Z800 Z900 Z1000 ZX10R ZX6R newer models. For older models please contact us to switch bolt size to 10mm m10 (Please check the bolt size before purchase). This listing is for set of M8 8mm