Maybe there's an alignment issue with the frame, are the tolerances on a 10 spd system sufficiently finer than a 9 that such a problem would only become apparent once the 10 speed was fitted?
@dallas started
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Maybe there's an alignment issue with the frame, are the tolerances on a 10 spd system sufficiently finer than a 9 that such a problem would only become apparent once the 10 speed was fitted?