Specialized Adjustable Headset Cup Kit Description: This Specialized Adjustable Headset Cup Kit works to replace or restore headset cups found on select Specialized Levo Gen. 2, Levo Gen. 3, and 2022 Alloy StumpJumper mountain bike models. The included two bearing angle cup allows users to adjust the front-end geometry of their bike to the setting of their choice. Features: Genuine replacement Specialized parts Zero offset upper headset cup for 1 1/8" bearing +/- 1deg angle adjust upper headset cup for 1 1/8" bearing Spherical adapter for 1.5" lower bearing