I bought a new 50 tooth IRonman sprocket and it does not fit my crf 450!! I screwed up and ordered the wrong one!!! This is brand new and i'll ship it to your door for $50 (lower 48 only) the part # is xr 50 check it out on IRONMAN's website. This baby's MSRP is $106. Will fit xr 600's and xr 650LLL LLLLLLLLLLLLLL only!!!!!!! PM me , here is a pic-http://img.photobucket.com/albums/v357/mackmack/100_0237.jpg NEED to sell ASAP so I can get the right one!!! In the pic it looks gold, it is chrome thats just the light reflecting off it.