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? I live in a hilly area and want a drivetrain with 50/34 crankset and a 10-42 cassette. Can I use a 2x front crank with a 1x rear derailleur? How do I decide what cage size to use in a 2x or 3x MTB drivetrain system? Will my road crank fit my MTB, or my MTB crank fit on my road/cross bike? Comments 0 comments Article is closed for comments.