The Ultimate Dropper Post Upgrade - SRAM’s All-New Updated Reverb AXS Revealed

What has SRAM done with the Reverb AXS? 

The first generation SRAM AXS Reverb brought wireless dropper seatposts to mainstream mountain biking, setting the standard and impressing many with its ease of use, installation and integration into the AXS ecosystem, but occasionally frustrating riders with reliability concerns in the long term and lack of long travel options. SRAM listened, learned, and is back with a fully refined version. They have taken their acclaimed wireless dropper seatpost and revised it, introducing updates like a repositioned battery, expanded travel range, and robust new internals. This updated wireless post gives a better user experience on and off the bike, and takes steps forward in terms of reliability and durability. 

SRAM AXS Reverb B2

Key Improvements from the Previous Reverb AXS

SRAM tackled critical areas that riders previously found problematic:

  • Battery Relocation: Moving the battery from under the saddle to the seatpost clamp eliminates clearance issues and enhances compatibility with various frames and saddles.

  • Extended Travel Range: SRAM expanded the travel range from 100mm up to 250mm, available in 25mm increments, ensuring a perfect fit for riders of all sizes and styles.

  • Major Reliability Upgrades: Redesigned internal components and an innovative air-over-air system promise smoother, consistent actuation and improved longevity—addressing the occasional performance hiccups experienced with earlier models.

ActiveRide Technology: Performance You Can Feel

One significant feature in the new Reverb AXS is the ActiveRide air-over-air technology. ActiveRide delivers a supportive and firm saddle feel when fully extended, but becomes responsive and compliant when engaged. This feature dramatically improves comfort and control on technical climbs, reducing rider fatigue and enhancing traction. This technology is borrowed from the XPLR AXS dropper post on gravel bikes and is the first time we are seeing this in the mountain bike world. 

AXS Reverb Split Image

Built to Last, Easier to Maintain 

The robust new air-over-air internal design reduces complexity, translating directly into increased reliability and reduced maintenance. We appreciate the simplified service intervals—just standard lube and seals every 300 hours (about one year)—and an available two-year service kit that further streamlines upkeep.

Bold Looks That Grows on You

While the new Reverb AXS introduces a bold and somewhat polarizing look, seasoned riders know initial impressions often shift once its benefits become apparent. Expect the new aesthetic to settle comfortably into the MTB landscape, much like 29 inch wheels and even dropper posts themselves! 

SRAM AXS Reverb

Specs: 

  • Diameters: 30.9 | 31.6 | 34.9

  • Travel: 100-250mm (25mm increments)

  • Saddle Rail Compatibility: Round/Oval 

  • MSRP: $549 

  • AXS Battery 

  • Active Ride Technology 

  • Remote lever sold separately. Works with any AXS remote 

Is it worth upgrading?

Riders currently using the previous Reverb AXS model will appreciate noticeable enhancements in increased travel options, reliability and ActiveRide is a new experience in dropper technology all together. For those who experienced any frustrations before, the upgraded Reverb AXS provides tangible solutions to those earlier limitations.

Forbidden Complete SRAM Build

Final Thoughts

SRAM has made significant progress addressing rider feedback with this refined version of the Reverb AXS, something that a lot of riders were looking for. While its bold looks might initially divide opinions, the performance upgrades—especially in reliability—are undeniably impressive.

Shop SRAM Reverb AXS

April 03, 2025

AXS › Dropper Post › Reverb › Reverb AXS › RockShox ›

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