HTT Carbin Fiber Swingarm Spools"R6" Engraved Logo 6mm For Yamaha FZ6 2004-2008/ Yamaha R6 YZF-R6 1998-2015/ R6S YZF-R6S (All Years) These swingarm spools are designed to protect your swingarm & axle nut in the event of a crash. 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. Thread: 6mm Color: the same with pictures show Instructions: no instruction,Material: High Quality Billet Aluminum,,,