Aluminium Pair Paddock Stand Bobbins M10 x (1.25mm) Black Pro-Bolt Swingarm Spools are CNC-machined out of high-tensile aluminum and anodized for a unique and clean design These swing arm spools screw straight into the swingarm, showing no ugly bolts, allowing you to use hooks instead of cups which may scratch your swingarm If you plan on getting a paddock stand then you're going to need a set of these M10 X 1.25mm