RockShox Reverb AXS Dropper Seatpost - A2

Rock Shox' intention with Reverb AXS was inventive and pure. No hoses. No routing. No energy wasted. Not a single thing in the way of the experience. They've created a reliable wireless-electronic dropper post and controller that actuates with drastically less effort and zero distraction. Expanding what's possible on a bike, Reverb AXS is enabled by SRAM AXS technology, a new level of interaction, personalization, and connectivity across all AXS enabled components NEW Features Vent Valve Technology for super simple service if the need arises without any disassembly of the post NEW Lower friction IFP allows for faster actuation of the post and less force needed AXS Technology allowing for customization to an individual riders liking via the AXS Mobile App SRAM AXS compatible controller sold separately Shared battery with all other SRAM AXS enabled components System is completely waterproof to IPX7 rating Compatible with 7mm round rails and 7x9mm oval rails Post Diameter: choose; 30.9mm, 31.6mm, or 34.9mm Travel: choose; 100mm, 125mm, 150mm, or 170mm Post length: 340mm (100mm travel); 390mm (125mm travel); 440mm (150mm travel); 480mm (170mm travel) Remote: AXS Controller Sold Separately Connection Type: wireless Saddle Rail Compatibility: Round/Oval (7x9) E-Bike Approved: E-bike Approved w/E-MTB Decal Includes battery and charger Color: Black.