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Rock Shox Reverb AXS Dropper Post - 30.9mm

Rock Shox Reverb AXS Dropper Post - 30.9mm

The Rock Shox Reverb AXS Dropper Seatpost is enabled by SRAM AXS technology, providing a new level...

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RockShox Reverb AXS Seatpost 34.9 Hydraulic Wireless Dropper Post 150mm Travel

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eBayRockShox Reverb AXS Seatpost 34.9 Hydraulic Wireless Dropper Post 150mm Travel
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Leisure Lakes BikesRockShox Reverb AXS 34.9mm Dropper Seatpost
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Product Information

Full details

The RockShox Reverb AXS Dropper Post is an advanced, wireless-electronic seatpost designed for mountain bikers looking to eliminate cable clutter and streamline cockpit ergonomics. By utilizing SRAM AXS technology, it provides effortless, near-instant actuation for infinite height adjustment. While it offers superior reliability and easy installation, riders should be mindful that it requires regular battery management to maintain consistent performance on the trail.

All features

Model Part NumberRSP8040003
BrandRock Shox

Extended Product Information

FAQs

Is the Reverb AXS truly waterproof?

Yes, the system is rated IP69K, meaning it is protected against high-pressure, high-temperature water jets and dust ingress.

Can I use the AXS controller for other components?

Yes, the AXS ecosystem is modular; you can customize the controller touchpoints to operate your derailleur or other AXS-enabled parts using the mobile app.

How long does the battery last?

A single charge typically lasts for about 20-30 hours of actual riding time, depending on usage frequency.

Does it work with carbon saddle rails?

Yes, the clamp head is compatible with standard 7mm round rails and 7x9mm oval carbon rails.

Do I need to bleed the system like a standard Reverb?

No, because the system is wireless and electronic, there is no hydraulic fluid in the actuator, eliminating the need for periodic bleeding.

Troubleshooting

Post does not actuate when controller is pressed

Verify the seatpost battery is charged and that the controller and post are still paired. You may need to re-pair the components using the AXS pairing buttons.

Post feels 'squishy' or does not hold position

Use the integrated Vent Valve to purge any air that may have migrated into the oil chamber. This process takes seconds and requires no disassembly.

Actuation feels slow

Clean the stanchion and ensure the seal head is free of debris. If the issue persists, check that the battery charge is above 20%.

Pros and Cons

Pros

  • Extremely easy installation with no cable routing required
  • Highly responsive, near-instant wireless actuation
  • IP69K rating offers excellent protection against mud and water
  • Customizable button configuration via the AXS mobile app
  • Tool-free, simple serviceability via the integrated Vent Valve

Cons

  • Requires periodic charging of the seatpost and controller batteries
  • Higher entry price compared to traditional cable-actuated dropper posts
  • Adds a small amount of weight compared to the lightest mechanical options

Setup, Compatibility & Care

Installation is straightforward as it requires no internal frame routing; simply insert the post into the seat tube, tighten the clamp, and pair the controller via the AXS button.

Compatibility Requirements:

  • Ensure your seat tube diameter is exactly 30.9mm (for this specific model).
  • Ensure your bike frame is compatible with a 480mm total post length.
  • Use a torque wrench to prevent over-tightening the seat collar.

Care Instructions:

  • Regularly charge the SRAM battery using the included cradle.
  • Clean the stanchion after every ride with a soft cloth to prevent seal wear.
  • Periodically check the AXS mobile app for firmware updates to ensure optimal connectivity.
  • Use the Vent Valve if you notice any sag or 'squish' in the post during normal operation.

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