ROCKSHOX DEBONAIR C1 SEAL HEAD UPGRADE KITUPGRADE YOUR RIDEIf you have a Rock Shox Lyrik or Yari A1 from 2016 to the present or you have a Pike B1+ or Revelation A1+ from 2018 to present, you can easily upgrade it to an updated Debon Air air spring. It provides increased ride height from the top of the stroke to sag for more confidence in steep terrain while maintaining a buttery off-the-top feel. It includes a Debon Air assembly and sealhead. Features Designed for: Lyrik/Yari A1+ (2016+), Pike B1+/Revelation A1+ (2018+)Includes Debon Air assembly and sealhead Manufacturer's part number: 00. 4020. 573. 000 | Rockshox | Debonair C1 Seal Head Upgrade Kit 35Mm, Lyrik/yari A1+(2016+)/pike B1+/revelationa1+