air spring upgrade kit debonair c1 180mm includes debon air assembly silver seal head zeb a1RockShox Air Spring Upgrade Kit DebonAir C1 180mm is an upgrade kit for ZEB A1+ (2021+) forks that smooths the suspension, providing better bump response, more support throughout the entire travel range, and a higher ride position . Thanks to the new DebonAir C1 design, the fork performs more progressively and is more stable on steep and technical trails. Product features: Compatibility Fits all RockShox ZEB A1+ models (2021+) New DebonAir C1 air