Originally Posted by
mtnbud
My mountain bike has 175 mm crank arms and my road bike has 172.5 mm cranks. I'm 5' 11" and have a 32" inseam. I replaced the seat and seat post and I am starting to dial in the fit. It's feeling pretty good, but I do think I notice the shorter crank arm length.
Opinions? Have any of you had to change your cranks due to fit issues?
I'm 5'9" with a 32" inseam, I've used 170mm, 172.5mm, and 175mm cranks. I, personally, don't feel much of a difference between the various lengths after the first few revolutions. Initially, 175mm cranks feel like they
might put a bit more pressure on my knees than 170mm cranks... but I can't say that I notice the difference in how my knees feel at the end of the day.