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  1. #1
    Senior Member Surferbruce's Avatar
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    Pista truvativ isis BB rubber o ring

    there was a thin rubber o ring on the non drive side of my 04 bianchi pista's BB. since the BB doesn't bottom out on the frame, i assume the o rings to keep out gunk. mine just broke and fell off. anyone know if it's a crucial seal or more of a cosmetic deal? i can probably find one the same size at the hardware store but it seems like a bit of a cosmetic thing. any thoughts?

  2. #2
    la vache fantôme phantomcow2's Avatar
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    well you should have it, it does help keep out crap. Its worth the trip to the hardware store+50 cents
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  3. #3
    The Red Lantern Rev.Chuck's Avatar
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    Pull the crank and look in there. If you can see into the BB, replace the O-ring. I would just get one from the Hardware store altho you could go to a hydraulic shop and get a Viton O-ring, exspensive but super tough.
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  4. #4
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    Well if it fell out, then it probably wasn't doing too good of a job to begin with. I have heard that the stock BB on the pista is crap, so the bb will probably wear out/need replacement soon. You are in cali, right? I think a BB without a seal would be a bigger problem somewhere like boston, where the roads are wet, snowy, salty and sandy.

  5. #5
    Senior Member Surferbruce's Avatar
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    sweet
    thanks
    i'll go hunt something down tomorrow.

  6. #6
    I drink your MILKSHAKE Raiyn's Avatar
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    Quote Originally Posted by Surferbruce
    sweet
    thanks
    i'll go hunt something down tomorrow.
    Good plan.

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