KS

Hydraulic Cartridge, i900, i950 - 100mm

The KS Hydraulic Cartridge breathes new life into a tired dropper post, bringing back the smooth, reliable performance that serious riders depend on. Whether the post has started to sink mid-ride or rotate under pressure, this replacement cartridge gets it feeling factory-fresh again—so every descent, climb, and mid-trail adjustment feels solid and precise.

Compatible with the KS i900 (Dropzone), i950 (Supernatural), and i7 (Supernatural 27.2) seatposts, this 100mm hydraulic cartridge is a direct-fit solution built for riders who demand consistency from their dropper setup.

• Restores smooth operation – Eliminates unwanted post movement and restores consistent return speed.
• Direct replacement fit – Designed specifically for KS i900, i950, and i7 models for easy installation.
• Reliable performance – Sealed hydraulic design ensures durability and confidence on every ride.

When it’s time to service a KS dropper, this KS Hydraulic Cartridge brings back the precise control and dependable action that keeps rides flowing smoothly.