RotorBB30-24 Converter Bottom Bracket - Ceramic
Item # RTR000C
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Reviews & Community
Will this work w/ BB30a?
Do the ceramic bearings have a grade 3 or a grade 5 rating? Thanks.
Can I use this BB with a Dura-Ace FC 9000 crankset?
Yes, this will work
- Familiarity: I've put it through the wringer
Like so many others, I have experienced the BB30 blues: a squeaky, creaky, snap-crackle-pop bottom bracket, so poorly designed that it must be cleaned and re-lubed every 300 miles of use. Rotor's converter solves the problem. The only criticisms I have of it are that there is a slight weight penalty compared to the original BB30 and the pretty anodized surface mars easily upon first installation and removal. Using an aluminum removal tool (e.g. the one made by Chris King) helps minimize the marring. Otherwise, a great product. One correction to the above description: the bearing are 6905s, not 6906s.