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  1. #1
    RoadBikeReview Member
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    short life span on BB lube

    Hi all,

    I've looked through the forum and I don't think I found the answer to my question, but if you know where it's been discussed please let me know.

    My problem is on a 2014 F2 with mechanical Ultegra. The problem is that my bottom bracket ends up making a bunch of noise, I take it in to the shop and they grease it and it's back to normal, but it lasts no more than 1000 miles and it needs to be regreased. I had it greased in May and just this past week.

    The shop does it for free, but it seems like this is out of whack. The only other carbon bike I've had was a Look and I could let that thing go forever without a peep from the BB. My son's F4 SL is the same, but both of those have an FSA crank and BB while I have Ultegra with the FSA BB30 w/ 24mm spindle reducers.

  2. #2
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    Quote Originally Posted by bleckb View Post
    The problem is that my bottom bracket ends up making a bunch of noise, I take it in to the shop and they grease it and it's back to normal, but it lasts no more than 1000 miles and it needs to be regreased.

    I have Ultegra with the FSA BB30 w/ 24mm spindle reducers.
    Sounds like it's time to contact Praxis works to see if one of their BB Conversion units will work on your bike.
    use a torque wrench

  3. #3
    tlg
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    Quote Originally Posted by bleckb View Post
    My son's F4 SL is the same, but both of those have an FSA crank and BB while I have Ultegra with the FSA BB30 w/ 24mm spindle reducers.
    It's an inherent problem with BB30 bottom brackets and considerably worse with shimano cranks. 1) because the reducers allow for more movement between the components. 2) because the shimano crank has literally no lateral pre-load to keep everything tight.

    Do yourself a favor and get a BB conversion bottom bracket. No more lubing or creaking.

    There's the Praxis that MMsRepBike mentioned. And a few other options. They all do the job well.
    KCNC/RWC BB30 to HT2 BB Adapter with Enduro ZERO Bearings
    BB30 Outboard ABEC-3 BB for 24mm Cranks (Shimano) - Black
    Custom Di2 & Garmin/GoPro mounts 2013 SuperSix EVO Hi-MOD Team * 2004 Klein Aura V

  4. #4
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    Thanks to you both. I'll wait until I expect it to need greasing in a month or two and then make the change. Sounds like bad engineering and design.

    Now that I look, I wonder if the ceramic KCNC/RCW bearing are worth the extra $.
    Last edited by bleckb; 07-28-2016 at 02:15 PM.

  5. #5
    tlg
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    Quote Originally Posted by bleckb View Post
    Thanks to you both. I'll wait until I expect it to need greasing in a month or two and then make the change. Sounds like bad engineering and design.

    Now that I look, I wonder if the ceramic KCNC/RCW bearing are worth the extra $.
    Ceramic bearings are never worth the extra $. Unless you're consistently losing races by 3 seconds and losing out on prize money.
    Custom Di2 & Garmin/GoPro mounts 2013 SuperSix EVO Hi-MOD Team * 2004 Klein Aura V

  6. #6
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    I have the Praxis BB with the 6800 crank (in a Z frame), and I couldn't be happier with it

  7. #7
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    I lose consistently, but not by three seconds!

  8. #8
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    Same bike only Di2, never had any issue other than a BB click after 200 miles. Shop serviced it and it's been trouble free. Maybe the Praxis solution is your answer, I don't know I have never had any issue with BB30 no adaptors either. So I am not much help but I am interested in what solves your problem.

  9. #9
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    I'll post late this month or early the next, whenever the BB makes clear it's time for a change.

  10. #10
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    Just ordered the Praxis as the BB started making noise today.

  11. #11
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    This past winter I had my 2014 Z1 built up again and was not able to use the Praxis converter, much to my chagrin. Though, it has been silent... knock wood. I think you may have the same issue. Nothing more annoying than that creaking noise. My tarmac has been quite as well.

    from the Praxis site...
    F1, F2, AND Z1 - 2011-2014 versions of these frames used
    Felt’s custom Carbon BB30 with a non-removable carbon
    sleeve/lip. Also “FRD” versions (see photo) This custom shell
    prevents installation of the Praxis Conversion BB.

  12. #12
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    F1, F2, AND Z1 - 2011-2014 versions of these frames used
    Felt’s custom Carbon BB30 with a non-removable carbon
    sleeve/lip. Also “FRD” versions (see photo) This custom shell
    prevents installation of the Praxis Conversion BB.
    Uh-oh. Didn't read that. And it gets delivered today.

  13. #13
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    F1, F2, AND Z1 - 2011-2014 versions of these frames usedFelt’s custom Carbon BB30 with a non-removable carbon
    sleeve/lip. Also “FRD” versions (see photo) This custom shell
    prevents installation of the Praxis Conversion BB
    Wow, what a bunch of tools Felt are. A custom BB30?

    Sorry OP, looks like you're stuck using Felt's stupid proprietary BB30... sell the bike now. Buy something made by smarter people.
    use a torque wrench

  14. #14
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    But for the BB I love the bike, so I'll be keeping it. I'll see what the LBS suggests. Hopefully better than packing in more grease every time it starts making noise.

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