Laser4G63 wrote:I was using 175mm arm length, but since switched to 170mm. I supposed it may have a lot to do with the type of rider you are, whether you mash or spin. I am a spinner and notice I can do so better with the 170s. I know 5mm isn't much, but it's working for me. I am 5'11", btw.
This for me as well. I'm long in the torso tho. I found 175s hurt the front of my knees on long rides.