I'm 5'10" and use 172.5 170 and 165mm cranks. I doubt crank length is the issue here. When you say similar in size - actually measure them and compare - you might be surprised to find a few centimetres difference - it can make a world of difference.
@hippy started
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I'm 5'10" and use 172.5 170 and 165mm cranks. I doubt crank length is the issue here.
When you say similar in size - actually measure them and compare - you might be surprised to find a few centimetres difference - it can make a world of difference.