RockShox DebonAir Air Spring Upgrade Kit: Fits Pike (A1-A2/2014-2017) 120mm-27.5", 130mm-26". MPN: 00.4019.931.011 - RockShox - Pike A1-A2 DebonAir Air Spring Assembly Upgrade - Air Springs & Parts. DebonAir air spring assembly to update Pike A1-A2 forks.