WOODCRAFT UNIVERSAL REPLACEMENT FRAME SLIDER PUCK - BLUE ALUMINUM Pucks are sold individually. If you need 2 pucks please put the QTY at 2 These solid replacement pucks are made of aluminum and work on nearly all models of Woodcraft sliders. (Will not fit the Honda CBR 600RR / 1000RR or 2011+ GSXR 600/750 frame slider bases) It's a good idea for racers to carry a spare in the toolbox. They are replaced with the single perpendicular bolt. If you have any questions about the fitment of these pucks to your Woodcraft frame sliders please contact us What makes the Woodcraft design unique is the perpendicular attachment bolt for the puck. The side mount also eliminates the hassle of trying to dig out a puck replacement bolt through a distorted hole.