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Originally Posted by Kontact
I really see BB30/PF30 as fixing a problem that occurred when the oversized/hollow spindle cranks came out - outboard bearings eat heal clearance.
Since BB30 uses a 68mm shell with internal bearings, it can be adapted to use with just about an crank system, plus it is simple and offers cranks as narrow as the old square taper.
BBright - I don't know...
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Yep, except hollow spindles, octalink and isis, were an answer to
another not asked question for bicycles. Square taper, new cranks from shimano(7410) and Campagnolo, with short spindles, were stiff, reliable, useful, loads of heel clearance. Then shimano had to do octalink, followed by isis, which did nothing but start the bike wizards down this road.