The new DebonAir is built to strike the perfect balance of what riders really want: butter-like small bump feel, increased air volume to add support throughout the travel and higher overall ride height for more confidence when things get steep. Includes air shaft assembly, ButterCup & seal head. Can be used to change travel. Compatible with ZEB A1 models:FS-ZEB-R-A1, FS-ZEB-SEL-A1, FS-ZEB-SEL-A2, FS-ZEB-UFA-A3, FS-ZEB-ULT-A1, FS-ZEB-ULT-A2, FS-ZEB-ULT-A3.