• http://www.velocipedesalon.com/forum/f40/specialized-osbb-bb30-pf30-38108.html

    "My understanding was that OSBB = BB30 on alloy frames and OSBB = PF30 on carbon frames. But if other sources disagree with that then I'll reconsider and say that OSBB = a mess."

    EDIT: "The Shiv Pro module is labeled OSBB but is actually BB30. Praxis insert for 24mm has worked perfectly for me this season with D/A cranks. Smooth, no creaks."

    No wonder fuckers like me have no chance of getting this right.

    Could I use the bearings that are already in there with the Hollowgram cranks (after removing the adapters)?

  • If you have been using those plug in step down adapters that are essentially 3mm shims that allow a 24mm axle to fit a 30mm ID bearing then yes.

    When most people talk about the Praxis adapter they mean the one that sits in place of the BB30 bearings, in which case no.

    Do bike24 have the 165 cranks then?

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