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Thread: BB Question

  1. #1
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    BB Question

    I have a 07 Yeti ASX with Truvativ Holzfellers with the older GigaPipe BB and an E-13 srs. The bike has a 73mm bottom bracket shell. The owners manual says I need a 73mm bb with a 113mm spindle. The one thing I'm running into is that the bb mount chain guide which spaces the bb shell even more. Do I still need to get a 113mm spindle BB or do i get something longer to make up for the spacing the chain guide does?

  2. #2
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    Reputation: Mr. Blonde's Avatar
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    In my experience there's no way to tell what exactly will work in these situations without some trial and error. The problem with simply going with a longer spindle is it'll shift like $hit in the bigger cogs and might not even stay on the top 1 or 2. Hopefully someone will chime in with experience with the exact combo you're looking at.

  3. #3
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    I just took the old one out and it turns out it was a 118mm spindle. I think my biggest issue is the bb spacing. Which I think might have contributed to the demise of my non drive side bearings. I guess I might just try a 113mm spindle.

  4. #4
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    If you didn't have a chain guide, you'd need a spacer on the drive side. The chain guide takes the place of the spacer, so there should be no issue. I used to have an ASX and as I recall I used the 113mm spindle when I was suing ISIS cranks and everything lined up perfectly.

    Oh and the reason your bearings wore out is that ISIS BB's wear out really fast.

  5. #5
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    I don't think the 2days of sandy/rainy rides helped your bearings much either

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