Wireless Control. Effortless Drops. Built to Ride. Take your ride to the next level with the Reverb AXS Dropper Post—the ultimate in smooth, wireless seatpost control. Whether you're climbing punchy technical sections or bombing descents, the Reverb AXS makes adjusting your saddle height feel effortless, fast, and intuitive. No cables. No fuss. Just instant action at the touch of a button. Powered by SRAM’s AXS wireless technology, this dropper seamlessly syncs with your AXS drivetrain, letting you customize how you control your bike with the SRAM AXS app. Shift, drop, ride—all connected, all at your fingertips. With travel options from 100mm to 250mm and easy installation (no hoses, no routing, just a multitool), the Reverb AXS is built to fit GX, X0, and XX riders alike. Whether you're racing, sending, or just out for a good time, this post is tough, reliable, and built for serious fun on the trails. Ride Better, Climb Smarter, Decend Harder The Reverb AXS isn't just a dropper post—it's a fully integrated piece of your ride. Whether tackling gnarly descents, threading tight switchbacks, or grinding up technical climbs, the Reverb AXS keeps you in the sweet spot with wireless ease and rock-solid performance. And when it’s time to service? It’s simple, fast, and designed for real riders who’d rather be out on the trail. Get the drop, without the drama. Ride Reverb AXS. Reverb AXS B1 Features: Wireless AXS Integration – No cables, no clutter. Just clean, crisp, wireless actuation Quick & Easy Installation – No internal routing required. Install or remove in minutes ActiveRide Technology – Firm and supportive when fully extended, with built-in compliance when dropped to keep you smooth and in control on techy climbs Built Tough & Serviceable – Durable air-over-air design that’s easy to maintain, with service kits and replacement parts readily available Customizable Control – Pair it with the SRAM AXS app to assign buttons and dial in your ride One Battery for All – Shares the same AXS battery, charger, and controller as your SRAM drivetrain. Battery and charger included Specs: Post Diameter: 30.9mm, 31.6mm, 34.9mm Post Lengths: 337.2mm, 342.2mm, 387.2mm, 392.2mm, 437.2mm, 442.2mm, 487.2mm, 492.2mm, 537.2mm, 542.2mm, 587.2mm Saddle Compatibility: Round/Oval Remote Included: No Model ID: SP-RVB-AXS-B1