air spring upgrade kit debonair c1 190mm includes debon air assembly silver seal head zeb a1RockShox Air Spring Upgrade Kit DebonAir C1 190mm is an upgrade kit for ZEB A1+ (2021+) forks that improves suspension performance, providing smoothness over small bumps, more support throughout the entire travel range, and a higher ride position . Thanks to the new DebonAir C1 design, the fork handles rough terrain better, providing greater control and stability. Product features: Compatibility Fits all RockShox ZEB A1+ models (2021+) New DebonAir C1