KS

125mm Air Cartridge - ETENi, E20/20i

The KS 125mm Air Cartridge brings new life to your ETENi or E20/20i dropper post, restoring the smooth, reliable action that every rider counts on. When your post starts sinking or losing travel consistency, this replacement cartridge gets you back in the saddle with confidence and control.

Designed for riders who demand dependable dropper performance, this air cartridge makes maintenance straightforward and effective—perfect for keeping your post running like new without the hassle of a full replacement.

• Restores dropper performance – Fixes sinking or rotating issues for consistent actuation.
• Precision fit – Engineered specifically for KS ETENi and E20/20i models.
• Cost-effective solution – Refresh your post’s performance without replacing the entire unit.
• Reliable operation – Maintains smooth, predictable seat height adjustments ride after ride.

When it���s time to revive your dropper, the KS 125mm Air Cartridge is the smart, straightforward upgrade that keeps your post—and your ride—feeling dialed.