Are Flight Attendant batteries cross-compatible with Reverb AXS seatposts and Eagle AXS derailleurs? October 05, 2021 00:10 Yes, SRAM AXS batteries are compatible with any AXS derailleur, seatpost, or Flight Attendant forks and rear shocks. Related articles What happens if I lose or forget a SRAM AXS battery? Can I use one battery to move each component into open? How do I know the battery life of my components? Are batteries included? Can I ask a RockShox question? How do ButterCups enhance my ride? Comments 0 comments Please sign in to leave a comment.