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Overview

What makes the RockShox Reverb AXS XPLR 27.2mm dropper right for gravel?

The RockShox Reverb AXS XPLR Dropper delivers more control, confidence, and fun on gravel by getting your saddle out of the way for descents and technical sections. This is the 27.2mm post with 75mm of travel and a 400mm length, built around lightweight air-only internals with a feature RockShox calls ActiveRide: a fully rigid top-out position, plus built-in compliance once the post is dropped that soaks up small vibrations for more grip and comfort over rough ground. Actuation is fully wireless through SRAM AXS, so there is no dropper cable to route, and the post shares the same battery as the rest of your AXS components.

Setup and tuning happen through the AXS mobile app, and the system is sealed to an IPX7 waterproof rating for all-weather, all-surface use. The stock saddle clamp fits round and 7x9 oval rails, SRAM offers a clamp option for 7x10 oval carbon rails, and the post is e-bike approved. The SRAM AXS battery and charger are included; the AXS controller remote for drop or flat bars is sold separately. Best for gravel and adventure riders on a 27.2mm frame who want clean wireless dropper control with a bit of built-in suspension feel.

All the specs

13 specs in 4 groups. Open a group, or expand them all.

Battery and power1 spec
Power Source
SRAM AXS battery (included)
Sensors and connectivity1 spec
Saddle Rail Compatibility
Round/Oval (7x9); 7x10 oval carbon with optional clamp
Build and box3 specs
Waterproof Rating
IPX7
Weight
Approx. 562g (without battery)
MPN
00.6818.069.000
Other details8 specs
Post Diameter
27.2mm
Travel
75mm
Post Length
400mm
Actuation
Wireless, SRAM AXS
Internals
Air-only, ActiveRide
Remote
AXS Controller sold separately
Includes
SRAM AXS battery and charger
E-Bike Approved
Yes

FAQ

Good questions

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Does it include a battery and remote?

Yes. The SRAM AXS battery and charger are included with this post. The AXS controller remote (for drop or flat bars) is sold separately.

What size and travel is this?

This version is 27.2mm diameter, 400mm length, with 75mm of travel.

What is ActiveRide?

ActiveRide is RockShox's air-only internal design. It holds a fully rigid top-out position when extended, and once you drop the post it adds built-in compliance that absorbs small vibrations for more grip and comfort on rough gravel.

What saddle rails does it fit?

The stock clamp fits round and 7x9 oval saddle rails. SRAM offers a clamp option for 7x10 oval carbon rails.

Is it wireless and weatherproof?

Yes. It is fully wireless through SRAM AXS, so there is no dropper cable to route, and it is sealed to an IPX7 waterproof rating. It is also e-bike approved.

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