used to have some of the worst bearings.arizonabev said:Zipp uses creamic bearing in their hubs. My quess is they are the utmost in precision bearings. I went to the Boca website but it didn't help me much. There is so much technical jargon that I don't understand. But if ceramic bearing are good enough for them.....
They look like bushings, granted. But the ceramic bearings in derailleur pulleys are sleeve bearings. What's confusing matters is that folks use the term "bearings" for just the balls or rollers in a ball/roller bearing assembly.SDizzle said:Those are bushings.
They are apparently going to have ceramic replacement bearings for DA, Speedplay and other common high end stuff as well.ewitz said:Well FSA has now joined the fray with a MegaExo BB with ceramic bearings:
At the very least the red external BB would look sweet.
OK, it is your money. I'd rather have a nice case of wine. But when I say little I mean to the extent that any improvement will be lost in the noise of a hundred other uncontrollable factors. Good quality conventional bearings just don't rob that much energy, no matter what Zipp, FSA, et. al. say.miketrackman said:Sometimes its hard to spend money elswhere. Some people have a light bike with great components. Some people have a coach or a dedicated training plan and race often. For those people (i happend to fall in) getting a small performance boost from ceramic bearings is justifiable. Heck, if you just happend to have a couple hundred dollars in your couch that you want to blow that is totally justifiable to.