• 36T outers

    46t? Or are you really having a 2t difference between inners and outers?

    If you want GXP BB, 46t outer (that rules out Shimano 4 bolt rings AFAIK) then you are left with the following options:

    1. hidden bolt or not hidden bolt? I'd say not hidden bolt so you're not tied into SRAM rings.
    2. carbon or alloy crank arms.

    Then it's just a question of choosing your chainrings.

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