Originally Posted by daneil
Yeah, it's the 105 Octalink BB. Here's a question...Does your BB seem a little stiff compared to the to older non sealed cartridge bearing BB's? I seem to remember my older UN-52 spinning much more freely than the 5500 seems to.
UN-52 and their slightly upmarket UN-72/73 brethren were all sealed bottom brackets too. They had square tapered spindles, not the Octalink splined crank interface, but they were sealed.