The new Reverb AXS XPLR dropper post delivers more control, confidence, and fun on gravel roads everywhere. You'll have more room to move, saving you from awkward maneuvering and vague descents. SRAM has created an entirely new design, complete with lightweight air-only internal components and built-in compliance that SRAM calls ActiveRide™. Reverb AXS XPLR is made possible by SRAM AXS technology and is part of the ultimate personalized cockpit. New 27.2mm Reverb AXS XPLR delivers more control, confidence, and fun on gravel. Seatpost clamp options compatible with 7x10 oval carbon rails. AXS Technology allows rider customization via the AXS Mobile App. AXS handlebar control (drop or flat bar). Shared battery with all other SRAM AXS compatible components. System is fully waterproof and dustproof to IP69K - take it anywhere. SRAM AXS battery and charger included.