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  1. #1
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    New question here. Would you buy a used Ti bottom bracket?

    I`m looking to shave some grams in the BB category and noticed a few for sale on ebay. Is it wise to buy a used one? Any suggestions are appreciated - Thanks.

  2. #2
    Old man on a bike
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    Personally, no...

    as it's so hard to tell the conditions of the bearings (unless it's a loose bearing type and it's all taken apart and you're able to judge the condition of the races and balls). I'd never buy a used bb in any case; personally, a good Shimano bb is very durable and inexpensive, although they're a bit heavy, they're really easy to replace. I've used two ti bb's and they were both a disappointment in terms of reliability and neither were rebuildable. I'm still using square tapers; some day I'll change but don't like the choices of Shimano splined vs Isis right now...altho the new XT/XTR style is interesting.
    "...the people get the government they deserve..."
    suum quique

  3. #3
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    I agree. The only bottom brackets that ever lasted me more than one season were the old square taper Shimano un72's. FSA's isis have been good to me, Truvativ NOT. Never used Race Face.

    If it's like new and the price is right, COME ON DOWN! You're the next....... OK enough.

    Wayno

  4. #4
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    Why buy Ti when UN-72 is just as light and it is bomb proof?

  5. #5
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    Quote Originally Posted by williamf777
    Why buy Ti when UN-72 is just as light and it is bomb proof?
    Probably for the reason he gave above in that he wants to save some weight! Who are you kidding? UN-72's weight significantly more than most Ti BBs.

    Go for it top_ring! Provided the axle isn't bent and the cups are in good condition (threads and all) then even if the bearings are dodgy you can easily replace them. I've used plenty of Ti BBs (some new, some used) and never had a problem with any of them.

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