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  1. #1
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    BB Recommendation

    Well, after about 6 solid races, 4 of which were extremely muddy and wet, my MegaExo BB went out (drive side). I pulled the BB out and pulled the bearing cover off and found a cartridge full of mud, water, and sand. Seals must be crap on these FSAs. I don't think I want to bother with attempting to clean and re-grease the bearing cartridge only to be doing this in a couple of weeks again...

    Any recommendations for an affordable--sub $100--external BB that has decent seals and take the rigors of cross? I'm thinking of getting the Ultegra 6700 BB; any experience with these?

    BTW, I roll with a FSA Gossamer crankset.

  2. #2
    M_S
    M_S is offline
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    The shimano units are nice and inexpensive. Don't get a RaceFace, whatever you do.

  3. #3
    Team Water Andy_K's Avatar
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    My MegaExo lasted much longer than that -- about 5000 miles and 18 races, many very muddy -- but when it went out, I replaced it with a Dura-Ace 7900, which oddly was cheaper than the FSA.

    I think the Shimanos are only compatible with non-carbon FSA cranks, FWIW.

  4. #4
    Don't Believe the Hype RiPHRaPH's Avatar
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    I am having the same issues with my FSA unit as well. No matter what level of maintanence you do it always come back around to this.
    I have enough words to get me into trouble, but not enough to get me out of trouble.

  5. #5
    Senior Member
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    are you using a pressure washer? the seals on some of the BB's are pretty flimsy plastic. mine are doing fine with no major issues. just avoid spraying them directly with a pressure washer.

  6. #6
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    I just use a garden hose to wash off the bike. No pressure washing. Unfortunately there's no way really avoiding hosing the BB itself in order to clean off what had to be a inch worth of mud--perhaps I need a lesson in bike washing. You're right about the seals being flimsy. I wasn't very impressed when I was taking the seals out to inspect the bearings.

    I've decided to go for the 7900 BB, so we'll see how this one fairs

  7. #7
    Old. Slow. Happy. MileHighMark's Avatar
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    I killed an FSA external BB on my MTB w/o much effort. Popped the drive-side seal, and there was virtually no grease remaining, and the bearing barely rolled/turned.

    Find an inexpensive Shimano BB and toss the FSA unit.

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