SRAM Red Chainset - what bottom brackets are going to work ?

hillclimb2012
hillclimb2012 Posts: 8
edited June 2011 in Workshop
Just bought a gorgeous sram red chainset ( not BB 30 ). Will my existing very low mileage dura ace 7900 bb work or do I need to buy a different one like a sram gxp ?

Comments

  • Yossie
    Yossie Posts: 2,600
    I've just done exactly the same and yes, I believe so.

    Two types available form Ribble where I bought mine - normal at £16, ceramic at £80.

    English and Italian threads available in stock.

    HTH

    Y
  • Pokerface
    Pokerface Posts: 7,960
    You need a GXP BB. The spacing on a Shimano BB is different I believe.


    GXP BBs are quite cheap to purchase.
  • maddog 2
    maddog 2 Posts: 8,114
    +1 must be GXP

    HT2 (Shimano) will not work.

    See enduroforkseals for some nice examples
    Facts are meaningless, you can use facts to prove anything that's remotely true! - Homer
  • turnerjohn
    turnerjohn Posts: 1,069
    hope do an adapter for a few quid...one of the sides on the gxp is smaller diameter (think the non-driveside) so the adapter spaces it out...simplazz :D
  • brucey72
    brucey72 Posts: 1,086
    Sorry to hijack the thread but I'm in a similar position having bought a SRAM Red chainset last week and don't really want to start a very similar thread.

    Is the ceramic BB worth the extra money? I was looking at the Sram GXP Blackbox w/ceramic beaings for £105 at Ribble but then saw this one and was wondering if it was worth taking a punt seeing as its half the price:

    http://superstar.tibolts.co.uk/product_ ... 536c485a2a

    or is it better just to opt for the standard BB which is about £25?

    Thanks
  • Pokerface
    Pokerface Posts: 7,960
    brucey72 wrote:
    Is the ceramic BB worth the extra money?
    No
    brucey72 wrote:
    or is it better just to opt for the standard BB which is about £25?
    Yes
    brucey72 wrote:
    Thanks
    You're welcome
  • brucey72
    brucey72 Posts: 1,086
    Pokerface wrote:
    brucey72 wrote:
    Is the ceramic BB worth the extra money?
    No
    brucey72 wrote:
    or is it better just to opt for the standard BB which is about £25?
    Yes
    brucey72 wrote:
    Thanks
    You're welcome

    It's a pleasure :wink:
  • turnerjohn
    turnerjohn Posts: 1,069
    brucey72 wrote:

    Is the ceramic BB worth the extra money? I was looking at the Sram GXP Blackbox w/ceramic beaings for £105 at Ribble but then saw this one and was wondering if it was worth taking a punt seeing as its half the price:

    ...ah but can you get it in red ?!...red makes your go faster...fact :D
  • Monty Dog
    Monty Dog Posts: 20,614
    You can get the Hope BB in red and use their adaptor for GXP...
    Make mine an Italian, with Campagnolo on the side..
  • maddog 2
    maddog 2 Posts: 8,114
    the Hope adaptor only works on Hope BBs

    This is because Shimano/Raceface/Acros/everything else uses a placky top hat inside the bearing but the Hope runs crank-directly-on-bearing, so the adaptor simply sits inside the bearing and decreases its internal diameter.

    You could try fitting the adaptor inside a top hat but my guess is you'd struggle to get it to fit properly.

    The std GXP BBs are okay. Like I said, if you want something nicer look at the Enduro ones. Very nicely made.
    Facts are meaningless, you can use facts to prove anything that's remotely true! - Homer

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