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  1. #1
    mtbr member
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    SB66C ISCG/BB mounting

    I built up a SB66c recently and has a question about the iscg tabs.

    I'm using a 2x10 crank with no guide and a clutch der - do I need to run a bb spacer between the shell and bb cup if I'm not using the ISCG adapter? My chain line is a bit off and i think it may be the culprit.

    Thanks!
    Last edited by mtb-ripper; 08-10-2013 at 09:53 PM.

  2. #2
    undercover brother
    Reputation: tangaroo's Avatar
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    Quote Originally Posted by mtb-ripper View Post
    I'm building up an SB66c frame and has a question about the iscg tabs.

    I'm using a 2x10 crank with no guide and a clutch der - do I need to run a bb spacer between the shell and bb cup if I'm not using the ISCG adapter?

    Thanks!
    Yes. The iscg adapter takes up the space for the spacer. Without the adapter and with just the "blank" you will need one spacer to make it 73mm.

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