Originally Posted by choteau

I tried the using the various fit calculators in the thread, and doing the math twice I should be riding 177.80 - 179.33 cranks. Interesting since I'm way more comfortable (less knee pain ) riding 180's than 175's and felt "awkward" on 170's. As to the "spin to save your knees" instead of mashing argument, if you drop a gear or 2 to lower the force required to turn the peddles at a lower ( mashing ) RPM you also save your knees.........