RockShox Reverb AXS B1 Lower Tube
Best replacement part for riders maintaining premium wireless dropper posts.
This replacement lower tube assembly restores the smooth operation of a wireless electronic dropper post. It provides the necessary structural components to keep the system functioning reliably on the trail.
$75.00
at
Airpark Bike Co
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$75.00
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$75.00
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Who it's for
- Riders needing to restore their premium wireless dropper post performance
- Budget-conscious mountain bikers performing their own suspension maintenance
- Aggressive trail riders seeking reliable structural components for their bike
Who should skip it
- Owners of older or different dropper models requiring universal parts
- Home mechanics without advanced tools or hydraulic service experience
- Value-oriented cyclists looking for the most affordable repair options
Performance breakdown
Repairability
Restores factory-level performance without needing to replace the entire expensive post.
Build Precision
OEM manufacturing ensures exact tolerances for smooth, stiction-free dropper actuation.
Installation Complexity
Requires specific tools and mechanical aptitude to service internal hydraulic systems.
Component Integration
Seamlessly interfaces with existing AXS wireless electronics and internal seals.
Durability
Hard-anodized finish resists trail debris and wear over long-term use.
System Compatibility
Perfectly matched for B1 generation AXS posts, eliminating guesswork during service.
Key Specs
Diameter
30.9 mm
Travel
200 mm
Compatibility
Reverb AXS B1+ (2026+)
Includes
Lower tube, intermediate base, and contacts
Manufacturer Part Number
11.6818.064.004
Know before you buy
Still have a question?
Ask Metto anything about the RockShox Reverb AXS B1 Lower Tube before you decide.
