How do I identify if the sram bb in my frame fits bb30 or dub? What would the internal diameters of the bearings be?
It should be written on the bearing covers. They both use 30mm i.d. bearings, but DUB has a plastic sleeve which takes it down to 29mm.
@fredtc started
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How do I identify if the sram bb in my frame fits bb30 or dub? What would the internal diameters of the bearings be?