RockShox DebonAir C1 Air Spring Kit For Yari A1+ (2016+)RockShox DebonAir C1 Air Spring Kit For Yari A1+ (2016+) The updated DebonAir air spring provides increased ride height from the top of the stroke to sag for more confidence in steep terrain while maintaining that buttery off the top feel you know and love. The Upgrade Kit Includes DebonAir assembly and sealhead. The DebonAir C1 Upgrade Kit is suitable for RockShox YARI A1+ (2016+). In the box: DebonAir full assembly and seal head Compatible with: