Originally Posted by
sonatageek
Replace the bottom bracket or replace the sealed bearing units? Those mileages sound really really low to me for something like that failing. Were they correctly installed?
They sound very low to me too. I'm used to cartridge bbs from Shimano and Campy lasting 25,000+ miles in both square taper and even Octalink form. I don't see why external bearings, if decently sealed, would fail that much sooner.