Jenson USANew · Checked Nov 4, 2026, 3:23 AM
$509.15In stockVisit store
Seatposts
RockShox Reverb AXS Dropper Seatpost Black, 34.9mm, 225mm
MPN 56050820
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
Retailer offers
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BackcountryNew · Checked Nov 4, 2026, 5:33 AM
$569.05In stockVisit storeCompetitive CyclistNew · Checked Nov 4, 2026, 4:31 AM
$569.05In stockVisit storeTechnical data
Specifications
- Seatpost diameter
- 34.9 mm
- Seatpost length
- 602.8 mm
- Seatpost offset
- 0 mm
Catalog trust
Evidence and freshness
Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.
Report a correction- Technical review
- Sep 9, 2026
- Compatibility review
- Reviewed Sep 9, 2026
Approved technical sources
- Reviewed cockpit fact at Official B1/B2 fitment tables
- support.rockshox.com/hc/en-us/articles/50345687152539-What-are-the-fitment-specifications-of-the-Reverb-B1-B2-AXS-seatpostManufacturerSource checked Sep 9, 2026Evidence reviewed Sep 9, 2026
- Reviewed cockpit fact at backcountry catalog row 96431
- backcountry.tnu8.net/c/7664279/1942899/5311ManufacturerSource checked Sep 5, 2026Evidence reviewed Sep 9, 2026
- Reviewed cockpit fact at Exact Reverb AXS B1 technical data
- r2-bike.com/ROCKSHOX-Sattelstuetze-Reverb-AXS-309-mm-100-mmRetailerSource checked Sep 9, 2026Evidence reviewed Sep 9, 2026