i guess they must be a bit crap then, you couldn't do that by overtightening the crank bolts, only tightening them, then noticing they become loose (because the crank scooches up the spindle), so tighten again, and then the crank scooches up again, etc until it cracks.
i guess they must be a bit crap then, you couldn't do that by overtightening the crank bolts, only tightening them, then noticing they become loose (because the crank scooches up the spindle), so tighten again, and then the crank scooches up again, etc until it cracks.