>>1501225hollowtech is sort of a cludge to have bigger bearings on an older frame standard
it allows an improvement without throwing everything old away
but google broken hollowtech and its clear to see more recent iterations have gone too far in cutting cost and weight
the old standards are just whats left of the previous sea of half baked dead end products
they survived by being just good enough no more no less
tho long ago bsa was once the most expensive option there are better things than 68 mm BSA
and be glad you never had to suffer the horrors of a Selecta crankset or FFS system with Positron indexing
