The new Reverb AXS XPLR dropper post delivers more control, confidence, and fun on gravel roads everywhere. Getting the saddle out of the way means more room to move, saving you from awkward maneuvering and sketchy descents. We created an all-new design complete with lightweight air-only internals featuring built-in compliance we call ActiveRide™. It's like travel for your saddle. Enabled by SRAM AXS technology, Reverb AXS XPLR is part of the ultimate personalized cockpit.Features:- ActiveRide™- Air only internals provide a fully rigid extended position with built-in compliance in the middle to ensure comfort and control over the roughest sections of gravel- Drop force is tunable based on rider weight- AXS™ Technology allowing for customization to an individual rider's liking via the AXS™ Mobile App- AXS handlebar controls (drop or flat bar) and battery sold separately- Shared battery with all other SRAM AXS enabled components- System is completely water and dust proof to IP69K- Saddle clamps compatible with 7x10, 7x9 Oval carbon and 7 mm round railsSpecifications:- Post diameter: 27.2 mm- Travel: 75 mm- Post length: 400 mm- Remote: AXS Controller- Connection type: Wireless- Saddle Rail Compatibility: Round/Oval (7x9)