Rock Shox Reverb AXS B1 Dropper Post 2026

The Rock Shox Reverb AXS dropper seatpost gets even better with this B1 version.

Among the major innovations, there is a repositioned electronic system at the seat clamp, offering better clearance for the tire during deep compressions, and a new feature called Active Ride, which provides a small suspension effect of a few millimeters when the post is not fully extended. This improves positioning and traction on technical climbs.

Internally, the Reverb B1 has been completely reworked with a fully pneumatic system called Air-to-Air, offering even greater reliability and durability.

This new version of the Reverb is available in 30.9 mm, 31.6 mm, and 34.9 mm diameters, with travel options ranging from 100 mm to 250 mm (in 25 mm increments). This ensures you can find the version that best suits your needs.

Rock Shox also provides a handy seatpost calculator, available here: https://www.sram.com/fr/rockshox/series/reverb-axs/calculator

Main advantages

• Wireless electronic actuation for effortless adjustment and unlimited height settings at the push of a button.
• Clean, simple, and quick installation. No hoses to route, no cables to manage.
• New electronic unit positioning, providing more rear tire clearance.
• Active Ride technology offers slight travel when the seatpost is not fully extended.
• New Air-to-Air internal system (oil-free) for even greater reliability.
• SRAM AXS™ technology, offering an unprecedented level of interaction, customization, and connectivity across all AXS™ components.

Specifications

• Model: SP-RVB-AXS-B1
• Material: Aluminum
• Diameter:
    - 30.9 mm
    - 31.6 mm
    - 34.9 mm
• Travel:
    - 100 mm
    - 125 mm
    - 150 mm
    - 175 mm
    - 200 mm
    - 225 mm
    - 250 mm
• Minimum insertion depth:
    - 80 mm
    - 110 mm
    - 120 mm
    - 160 mm
• Adjustment system: Multi-position, stop the seatpost wherever you want.
• Operation: Air
• Control: Wireless handlebar remote AXS (sold separately)
• Cabling: None
• Saddle rail compatibility:
    - Round 7 mm
    - Oval 7x9 mm
    - Oval 7x10 mm
• Offset: 0 mm
• Color: Black

Weight: 712 g (in 31.6 mm x 548.2 mm x 200 mm)

Included:

• Reverb AXS B1 dropper seatpost
• Battery
• Charger

To help you choose the most suitable version for your needs, Rock Shox provides a handy tool available here: https://www.sram.com/fr/rockshox/series/reverb-axs/calculator