RockShox Reverb AXS Dropper SeatpostThe RockShox 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. AXS technology allows for customization to an individual riders liking via the AXS Mobile App Lower friction IFP allows for faster actuation of the post and less force needed Vent Valve