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Sept. 17, 2018, 9:24 a.m. -  Alex D

> My understanding is that Shimano and SRAM 12-spd have the same spacing  Do you have a source for this? The 11 and 12 M9100 cassettes have the same spacing (so new 11 isn't compatible with old 11), but I haven't found anything definitive for the actual sprocket pitch.

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