KS Hydraulic Cartridge
Best replacement component for riders maintaining older dropper seatposts.
A vital maintenance component that restores smooth operation to aging dropper posts. It effectively eliminates common issues like sinking or rotation, offering a cost-effective way to revive performance without replacing the entire assembly.
$79.99
Who it's for
- Riders looking to restore smooth dropper post functionality
- Budget-conscious cyclists performing their own maintenance
- Owners of legacy KS i900 or i950 dropper posts
Who should skip it
- Inexperienced home mechanics uncomfortable with complex component teardowns
- Mountain bikers with newer dropper post models
- Riders who prefer fully rebuildable and user-serviceable components
Performance breakdown
Restoration Efficacy
Effectively eliminates post sag and rotation issues with factory-level precision.
Installation Simplicity
Straightforward swap, though requires basic mechanical knowledge and specific tools.
Component Longevity
Robust internal seals significantly extend the service life of older posts.
Action Smoothness
Restores that crisp, consistent return speed found on new dropper posts.
Model Compatibility
Limited to specific legacy KS models, so verify your post version.
Weight Efficiency
Lightweight construction keeps your bike agile without adding unnecessary bulk.
Key Specs
Travel
100 mm
Weight
177 grams
Compatibility
i900 (Dropzone), i950 (Supernatural), i7 (Supernatural 27.2)
Type
Hydraulic Cartridge
Color
Black
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