Originally Posted by
Kimmo
Jobst Brandt proposed a solution to this stupidity ages ago, that would allow for backwards compatibility, and to upgrade existing cranks to a proper pedal interface.
A 45° taper cut into the crank around the pedal thread, with split collets to adapt existing pedals, while future pedals could have the taper integrated. It'd prevent this sort of utterly preventable failure caused by the fretting inherent to this piss-poor interface.
Jobst Brandt was a very tall guy who pushed big gears, and he used to break his aluminum Campagnolo crank arms fairly often.
He would come into my dad's shop in Palo Alto to get them replaced. At one point, my dad ordered him a steel Campagnolo crankset, which seemed to hold up much better.
Jobst Brandt (right), Kings Ridge Rd, Sonoma County, 2003