Originally Posted by cat
You can see in the image there; they have the normal countersink 8mm holes and the 10 mm recessed holes are added so it fits CRF250L.
They are JTR301, listed for various XR250, XR600, XR650.
yes thats right - the first rear sprocket they sent me was shipped without the countersink - I called and he sent a new one properly drilled out immediatly (basically an oops) . Oh and btw, the XR650L sprocket bolts work.