How do I know if a drivetrain part will fit my bike? SRAM USA October 24, 2017 17:21 Updated We offer frame fit specifications for all SRAM drivetrain parts on the service portion of our website. Related articles How do I make sure my chain is the proper length when installing a new chain? Do you sell parts directly to consumers? Will my road crank fit my MTB, or my MTB crank fit on my road/cross bike? My front derailleur is rubbing on my 2x drivetrain. How do I fix this? What is XD, and why is it a thing? Comments 0 comments Article is closed for comments.