Niner SIR BB drop- Mtbr.com
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  1. #1
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    Niner SIR BB drop

    What is the BB drop on a new Niner SIR when located in the lowest position?

    Thanks,
    -Ken

  2. #2
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    BB drop on the frame is 52mm from the center. then you consider the EBB and...

    "The BioCentric II offsets the bottom bracket spindle 8.5mm from center"
    - Biocentric II

  3. #3
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    Quote Originally Posted by mack_turtle View Post
    BB drop on the frame is 52mm from the center. then you consider the EBB and...

    "The BioCentric II offsets the bottom bracket spindle 8.5mm from center"
    - Biocentric II

    Right, so with BB in the 3 o'clock position, 52mm; at 6 o'clock, 60.5mm.

    Cool, thanks!

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