T-Rex Racing 2009 - 2011 Kawasaki Ninja 650R No Cut Frame Sliders Spools Special feature = The pucks are solid and not hollow, made to withstand more of an impact. Material = UHMW-PE (ultra high molecular weight polyethylene). Brackets are made of steel. Slider dimensions = Approx. 4 " in length and 2" in diameter NO CUT or plastic fairings modification required Fit Models = 2009 - 2011 KAWASAKI Ninja 650R