Get back on the trail with a genuine replacement chainstay.
Trek engineered chainstays help transmit the trail to your rear shock while maintaining a stiff frame.
Key Features
- Designed for 2021 Fuel EX Aluminum
- Color-matched for direct compatibility
- Increased clearance for smaller chainrings compared to 2020 versions
- For 148x12 Boost frames and wheels
Part Numbers: 1050087, 1050089, 1050091, 1050093, 5282137, 5282139, 5282141
