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I have a sram press fit bb 92 and am wondering if will fit my frame which currently has a shimano bb71 fitted? Are they the same size and fitting?
Cheers
Yup, also commonly known as PF41 - what happens when marketing people write technical standards
cheers pal, saves me ordering the shimano one. now the easy part, fitting the bloody thing.
The cup sizes might be the same, but possibly not the bearings.
GXP SRAM BBs have a smaller ID on the non-drive side bearing.
But if you're fitting a SRAM GXP crankset, you should be OK.
Also worth noting, don't assume the spacer configuration is the same between both BBs. In other words, if your BB71 needed a 2.5mm spacer, that doesn't mean the SRAM BB will need one etc...