Moderator mervin Posted May 9, 2015 Moderator 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
Moderator drewpy Posted May 9, 2015 Moderator Posted May 9, 2015 some power to shift that chain like that
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