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  1. #1
    RoadBikeReview Member
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    Cannondale hollowgram si bb30 vs bb30a

    I have a question about the crankset. I am looking at purchasing one for my 2013 caad 10 bb30. What spindle do I get? I think the standard for this crank is 109 in length.

    If that fits my caad 10 would I need another size when I purchase a supersix with a bb30a? I was planning on swapping it out when I get my new bike later on.

    Plus the supersix is 11 speed and caad is 10 speed but don't think that matters

  2. #2
    RoadBikeReview Member
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    The new Si is 109mm spindle, the older SL and SiSL are 104mm. I have a caad10 with a 68mm bb shell and a caad12 with a 73mm bb shell. They both can use the same 109mm spindle with different spacer arrangements.
    http://cf-prd.cannondale.com/~/media...151203T181633Z

    I'm pretty sure you are ok with 109mm, but I'm not sure with the caad10s that are that year.

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