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  1. #1
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    Reputation: Zion Rasta's Avatar
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    Help! - EBB Bottom Bracker SIR Niner

    Hello to all 29 brothers and sis. Here is the dilema:

    My niner EBB has more marks than the arms of a heroin junkie. I called niner and asked them if they had any EBB's for sale because their website says they are out. I talked to some guy there (not Steve) and he said, well we have not order any... I said, how about the new one? He said, not until next spring for after market. And I was like WTF!!!

    I have tried everything that rainman preaches - PTFE (plumbers tape fuc@#$ everywhere) even on my nipples. I get slippage but no creaks. I have the ti set screws at 65lb-ft.
    I started thinking -sell the damn thing! Started to look at moots... But I love the SIR. So I want to give it another shot.

    Currently is set up with a Niner EBB shell and an IRD BB 68 x 115mm with an ENO crankset. CK hubs with surly spacers and CK cog 34 x 19 set up.

    Here are my questions:

    1. Should I get a carver until I can get a new niner EBB next spring?

    2. The bearings on the IRD bb are not very smooth, so if I get a Phil Wood BB, which size to get the same chain line that the IRD 68 x 115mm gives me?

    3. Would you consider a shimano UN-54 BB? Anyone riding this with an ENO crankset?
    Does it flex more than a Phil wood?

    4. What size should I get the shimano BB if I go that rout - 68 x 115mm or 68x118 or 68 x 121?

    thank you for your help....
    Sit and spin my ass...

  2. #2
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    Reputation: Zion Rasta's Avatar
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    Anyone, help?

    Anyone? carver? Phil wood? Shimano?

    Hello?
    Sit and spin my ass...

  3. #3
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    3. I am running an old cheap shimano BB with my enos on a Monocog and it is just fine. Can't help with the other questions though - sorry.

  4. #4
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    Reputation: bigwheelboy_490's Avatar
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    What about posting over on the Niner forum?

    Also, the UN54 is a decent BB, but the Phils will be a much better BB and I think you can adjust the chain line.

    White Industries also does a square taper BB.
    MTBR is serious stuff.
    You never get better until you get out of your comfort zone.

  5. #5
    mtbr member
    Reputation: Zion Rasta's Avatar
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    True true

    Quote Originally Posted by bigwheelboy_490
    What about posting over on the Niner forum?

    Also, the UN54 is a decent BB, but the Phils will be a much better BB and I think you can adjust the chain line.

    White Industries also does a square taper BB.
    Yep, I should have posted in the niner forum.

    Anyone riding a carver on a SIR niner?

    Thank you for the awnser...
    Sit and spin my ass...

  6. #6
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    Reputation: Niner Bikes's Avatar
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    zion,

    Call the office tomorrow. We should have some Ebb's (old) style in stock. Ask for Ryan or Brian to check

    I'm checking out Dirt Demo east at the moment.
    Chris
    Niner Bikes

  7. #7
    mtbr member
    Reputation: Zion Rasta's Avatar
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    Chris - Thank you so much!!!!

    Quote Originally Posted by Niner Bikes
    zion,

    Call the office tomorrow. We should have some Ebb's (old) style in stock. Ask for Ryan or Brian to check

    I'm checking out Dirt Demo east at the moment.
    Chris
    Niner Bikes
    Just called today and got a niner EBB and some extra set screws.

    So I am sold - new Air9 niner for x mas!!!!!!!!!!
    Sit and spin my ass...

  8. #8
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    Quote Originally Posted by Zion Rasta
    I have tried everything that rainman preaches - PTFE (plumbers tape fuc@#$ everywhere) even on my nipples. I get slippage but no creaks. I have the ti set screws at 65lb-ft.
    65 lb-ft?!!! Oh-my! That is 10x spec. I run PTFE w/the screws torqued to 5 lb-ft...no slip, no creak.

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