How do I know if a drivetrain part will fit my bike? SRAM USA October 26, 2018 20:55 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? How do I decide what cage size to use in a 2x or 3x MTB drivetrain system? My front derailleur is rubbing on my 2x drivetrain. How do I fix this? Do you sell parts directly to consumers? How do I install the SRAM RED eTap groupset on my bicycle? Comments 0 comments Article is closed for comments.