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Hi!
I have an S works Tarmac SL6 and a sram red Etap GXP crankset. Currently I'm using the standard OSBB Bearings and a wheels gxp adapter. The adapter rubs on the frame and takes some energy to push around. Is there one bb that would work for the frame and crankset or will I always need an adapter?
Thanks!
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Fixed gear riding rower studying medicine.