Moderator mervin Posted May 9, 2015 Moderator Share Posted May 9, 2015 Watch this drag bike run , the chain looks a bit tight when stationary but look at the slack under acceleration, ok a road bike is not quite gonna have the same effect but it just show https://youtu.be/u6ZsWwQ072E 1 Link to comment Share on other sites More sharing options...
Moderator drewpy Posted May 9, 2015 Moderator Share Posted May 9, 2015 some power to shift that chain like that Link to comment Share on other sites More sharing options...
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