Originally Posted by
dabrucru
maybe you are quite right about the posture, i ve been noticing myself that when i m going uphill i tend to stiffen my shoulers, now i m trying to stay more relaxed and use a lower gear (lighter)
I was in the middle of replying to the post above yours and guessing that it could be due to riding tense, either having the bars in a death grip due to control worries or trying to ride in too high a gear for a comfortable cadence, and then I read this. I think that might be your problem.