RM carbon frames with PF bb's- Mtbr.com
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  1. #1
    mtbr member
    Join Date
    Aug 2011

    RM carbon frames with PF bb's

    good day eh. are Rocky's pretty good on their frame tolerances in the bb area? as i consider getting a new RM carbon bike with PF92 i'm curious as to whether they are problematic or not.


  2. #2
    mtbr member
    Join Date
    Aug 2013
    They seem to creak less in that area than some of the other bands I've dealt with, and I've never seen one sent back for BB area tolerance issues, and I've seen very, very few manufacturing tolerance issues at all (I think something like 2 in 5 years or so? and my sample size is BIG). Generally they seem very, very good, but of course you could be the unlucky one.

    Although personally I always use Wheels threaded press fit BB's which would help with this stuff if it turned out bad.

  3. #3
    mtbr member
    Join Date
    Aug 2011
    i've got the impression that RMB carbon frames are up there in quality, and they sure look it in person, but i've never owned one. yeah i figure if i go this route, after the stock bb dies, i'd go the Wheels Mftg bb afterwards.

  4. #4
    ccm is offline
    aka Taprider
    Reputation: ccm's Avatar
    Join Date
    Jan 2004
    Started with a chris king press fit BB in a 2011 Element, then moved that BB to a 2017 Element. No problems with either frame or the BB
    Last edited by ccm; 04-06-2020 at 05:20 PM.

  5. #5
    ups and downs
    Reputation: rockyuphill's Avatar
    Join Date
    Nov 2004
    I've run the Shimano PF BB in the 2011 Element MSL frame and currently running a Race Face PF BB in a Thunderbolt carbon frame with nary a creak. I did use a bit of synth grease when I installed them.
    I'm a member of NSMBA and IMBA Canada

  6. #6
    mtbr member
    Join Date
    Oct 2005
    I have owned both an aluminum and carbon Element 29er as well as a Vertex carbon 29 with the pf bb92. All three had no squeaking or other issues, used RF 30mm cinch bb/cranks on them FWIW. I also used synthetic grease like rockyuphill did.
    Sent from my VAN DOWN BY THE RIVER using Vanatalk

  7. #7
    Cleavage Of The Tetons
    Reputation: rideit's Avatar
    Join Date
    Jan 2004
    On my third frame since 2013 with the PF, never a freak from there on any of them. Ever.
    "We LOVE cows! They make trails for us.....

    And then we eat them."

    Thrill Bikers Unite!

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