Rock Shox upper part Reverb 34.9 mm Reverb AXS B1+ 2026+

Rock Shox upper part Reverb 34.9 mm Reverb AXS B1+ 2026+

The RockShox upper tube is an original service part designed for Reverb AXS dropper seatposts of generation B1+ from model year 2026 with a diameter of 34.9 mm. It is the moving inner part of the dropper mechanism, which has a fundamental effect on smoothness of action, precision of extension and the overall function of the seatpost. Thanks to its precise manufacture it ensures correct fit and long-term reliability in both MTB and gravel use. The product comes from the range of RockShox.

Features and benefits

Original upper tube for the Reverb AXS dropper seatpost

Designed for generation B1+ from model year 2026

100 mm travel for control and comfort off-road

Precise manufacturing tolerances for smooth, play-free action

Suitable as a service or spare part

Technical specifications

Type: seatpost upper tube

Intended for: RockShox Reverb AXS

Generation: B1+

Model year: 2026 and newer

Seatpost diameter: Ø 34.9 mm

Travel: 100 mm

Use: servicing / repair of a dropper seatpost

Summary

The RockShox upper tube for the Reverb AXS B1+ Ø 34.9 mm seatpost with 100 mm travel is a key service part for maintaining the correct function of a wireless dropper seatpost. It offers full compatibility, high manufacturing precision and a long life, which demanding MTB and gravel riders will appreciate during regular servicing or repair.