Get back on the trail with a genuine replacement framestay.
Trek engineered framestays help transmit the trail to your rear shock while maintaining a stiff frame.
Key Features
- Redesigned for 2023 Rail to fit Bosch Smart System speed sensor wire
- Backwards compatible to 2020-2022 Rail Aluminum main frames
- Compatible with Rail Carbon main frames
- Color matched for direct compatibility, select neutral black models available
- Refer to Service Manual for assembly instructions and service
Part Numbers: 5309948, 5309949, 5309950, 5309951, 5309952, 5332418, 5332419
