POLISPORT Graphic guard protector helder Yamaha YZ250F 450F 6mm) clamping diameter and 7 8" 6mm) clamping diameter and 7 8" diameter at the control ends Made to look like the big brother CRF's with the RS 9T muffler Slim Fit to avoid dirt between the guard and plastic parts margin:0pt 0pt 0pt 0pt