Product Information
About
Seatpost Upper Tube Assembly - 30.9/31.6, 100mm - (Includes Upper Tube, Keys, Clamp Bolt Plate, And Fill Valve) - Reverb AXS B1+ (2026+)
Designed specifically for the RockShox Reverb AXS B1 series, ensuring a perfect fit with seamless compatibility for 34.9mm diameter seatposts and 150mm stroke length, enhancing ride quality.
Incorporates innovative engineering with easy installation features, including included keys, clamp bolt plate, and fill valve, for hassle-free maintenance and adjustments in the field.
Built to withstand aggressive riding conditions, this upper tube offers reliability and consistent actuation, making it ideal for downhill, enduro, and trail riding with enhanced fluid control.
Stylish and functional, the Reverb AXS B1 Upper Tube integrates seamlessly with modern mountain bike builds, providing an upgrade option for riders seeking improved seatpost performance and longevity.
Product Description
Upgrade Your Ride with the RockShox Reverb AXS B1 Upper Tube - 34.9, 150mm Optimize your mountain biking experience with the high-performance RockShox Reverb AXS B1 Upper Tube, designed specifically for elite riders seeking precision, durability, and seamless functionality. Crafted with advanced materials and engineered for peak performance, this upper tube assembly is the perfect upgrade for your Reverb AXS dropper post. Materials & Construction: Constructed from lightweight yet robust aluminum alloy, the Reverb AXS B1 Upper Tube offers exceptional strength and corrosion resistance, ensuring longevity in demanding trail conditions. Its sleek design reduces weight without sacrificing durability, making it ideal for aggressive riding styles and technical terrain. Performance & Engineering: Featuring precise engineering tailored for the Reverb AXS B1+ (2026+ models), this seatpost upper tube delivers smooth, reliable actuation and effortless height adjustments. With a travel length of 150mm and a diameter of 34.9mm, it provides a perfect fit for a range of mountain bikes, enhancing rider confidence and control on technical descents and steep climbs. Components & Technology: This kit includes the upper tube, keys, clamp bolt plate, and fill valve-comprehensive components designed for quick installation and maintenance. The inclusion of the fill valve ensures optimal internal pressure for consistent dropper post performance, while the hardware components are engineered for secure clamping and seamless operation. Style & Use Case: Designed for enduro, trail, and all-mountain riding, the RockShox Reverb AXS B1 Upper Tube combines style and function to meet the demands of serious cyclists. Its sleek, modern design complements any bike build, while its robust construction ensures reliable performance across rugged terrains. Innovative Features: Compatible with wireless AXS technology, the Reverb AXS B1 allows for precise, tool-free saddle height adjustments at the push of
