10 - 13 T-Rex Racing Kawasaki Z1000 Front Axle Frame Spools Sliders Color = Black Material = UHMW-PE (ultra high molecular weight polyethylene) Slider dimensions = Approx. 2 3/4" and 3 1/8" in diameter for the frame sliders, 1 1/4" in length and 1 1/2" in diameter for the front axle sliders. NO CUT or plastic fairings modification required. Fit Models = 2010, 2011, 2012 2013 Z1000