Topic starter
Whats the difference between the shimano bb90(XTR), bb80, and bb70?
Other than price 😉
my guess is bearing quality, is that right?
Thanks!
Posted : 20/07/2012 5:15 pm
Cups have a longer threaded bit on the gold one (bb80?) so a smidge heavier. Dunno about the rest though.
Posted : 20/07/2012 5:23 pm
