Stumpjumper EVO Carbon Angle Adjust Headset Cups Kit - One Size

Adjustable headset cups kit designed for carbon frame 2021 Stumpjumper EVO bikes. This kit allows riders to adjust the head tube angle for customized geometry and handling characteristics.The kit includes a zero offset upper headset cup for 1-1/8" bearing, a plus or minus 1-degree angle adjust upper headset cup for 1-1/8" bearing, and a spherical adapter for 1.5" lower bearing. Bearings are not included with this kit.