The Rockshox Seal Head Upgrade Kit Debonair C1 35Mm Seal Head is designed to enhance the performance of your suspension forks. This comprehensive kit includes a seal head, piston quad ring, and a specific nut, ensuring a perfect fit for models such as Lyrik Rc C2, Rct3 C1 (2019-2022), Yari B1 , Pike B2 (2019-2022), and Revelation A2 (2019 ). By upgrading to this kit, riders can expect reduced friction and improved responsiveness, making it an essential addition for maintaining optimal fork functionality.