Rock Shox Reverb A2 AXS Dropper Seatpost The Rock Shox Reverb AXS is optimized, motor driven, and paired with the next generation of electronic integration. It features Vent Valve Technology and lower friction internals to provide quality, performance, and reliability without any cables to mess around with. Features AXS technology allows for customization to an individual rider's liking via the AXS Mobile App Lower friction IFP allows for faster actuation of the post and less force needed Vent Valve Technology allows for super simple service if the need arises without any disassembly of the post Shared battery with all other SRAM AXS enabled components System is completely water and dust proof to IP69KIncludes AXS enabled handlebar controller, discrete clamp, battery and charger MFG#'s 00. 6818. 040. 009 and 00. 6818. 040. 008 | Rockshox | Reverb A2 Axs Dropper Seatpost 34. 9Mm 125Mm | Black | A1 W/ Axs Remote | Aluminum