Old 12-15-15 | 12:59 PM
  #2  
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VwFix
RoadRash
 
Joined: Dec 2007
Posts: 165
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From: Bay Area

Bikes: Santa Cruz Blur, Giordano Libero, Schwinn World Tour singel speed

Hmm, it might be because of the constant load on the drive train when on the trainer. Try letting of a little right before the shift and see if that helps.
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