have you changed yr sprocket recently? I changed mine (as was experimenting with different ratios, so bought a cheap one off ebay) and got a cheap stamped one. I didnt think that they could be that bad! seriously, it was dangerous! When I went back to the original, problem gone.
have you changed yr sprocket recently? I changed mine (as was experimenting with different ratios, so bought a cheap one off ebay) and got a cheap stamped one. I didnt think that they could be that bad! seriously, it was dangerous! When I went back to the original, problem gone.