Well if you havent had any problems the all is good with the world. Where's Anthony? He'll probably be along shortly. LOL... he likes to post about cranks. He can give you a link to a site specifically about crank lengths in relation to your height or legs or something. I read it but came to the conclusion that I wasnt gonna find shorter cranks than I've got so gave up on it. Mine are fine anyways... so I didnt bookmark the page.