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XTR M9100 (12-Speed)
Here it is. New XTR.
27 years of development and we’re right back to where it all started, introducing the ultimate MTB race components. Designed to meet the highest level competitive mountain bike racing needs with a second to none performance and experience. New XTR M9100 Series brings the most versatile groupset for XC, enduro and marathon racing.
BSA - Threaded Bottom Bracket SM-BB93 (ISMBB93B)
PF92 - PressFit Bottom Bracket SM-BB94-41 (ISMBB9441A)