Swingarm Spools 10mm For Kawasaki Ninja 250 Zzr600 650R Z1000 Zrx1200 Zx12R Carbon 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: 10mm Color: the same with pictures show Instructions: no instruction,Material: High Quality Billet Aluminum,,,,,,,,,