SMT- Motorcycle Black Swingarm Spools with 6mm thread Yamaha FZ-1 FZ6 FZ8 FZS1000 FZS600 R1 YZF-R1 R6 YZF-R6 R6S YZF-R6S VMAX XV250 YZF600 These swingarm spools are designed to protect your swingarm & axle nut in the event of a crash. High Quality Billet Aluminum Swingarm Spools/Sliders(Left & Right Sides) They can also be used with a lift stand to lift the rear wheel off of the ground for changing your tire or oiling your chain. Easy installation! bolt straight into your swingarm (mounting bolts are included). Material: High Quality Billet Aluminum,Color: Black,Condition: 100% Brand New,Quantity: 1 pair (Left & Right),