Adjustable headset cups kit for carbon frame 2021 Stumpjumper EVO bikes.
- Zero offset upper headset cup for 1-1/8″ bearing (1 pcs).
- Plus or minus 1-degree angle adjust upper headset cup for 1-1/8″ bearing (1 pcs).
- Spherical adapter for 1.5″ lower bearing (1 pcs).
