Originally Posted by
mkadam68
Really? I hadn't thought of that. Would the over-tightened pedal just pinch the carbon, causing a weak spot? (But the pedal threads into an aluminum--I'm assuming--insert within the carbon arm.)
I would suggest the alternate also, if the threads were NOT flush and tight, the torque would be uneven on the threads rather than loading the crown against the crank arm. The continual uneven loading could cause accelerated wear on the threads and lead to failure.