KS E30i-75T Air Pressure Cartridge - 75mm Model=Alivio CS-HG400 9-Speed Cassette }RockShox Reverb Inner Sealhead

}RockShox Reverb Inner Sealhead

8 Color White Weight 203 Material Aluminum Defined Color White S

The 9-tooth sprocket allows full range with zero drop in efficiency

The grill in the chin piece protects the face from mud splashes

6mm Cool Gray

KS E30i-75T Air Pressure Cartridge - 75mm Model=Alivio CS-HG400 9-Speed Cassette }RockShox Reverb Inner SealheadKS E30i 75T Air Pressure Cartridge 75mm. Cartridges fully replace the functional mechanism of KS dropper posts. Pick the model and length of drop for the post you need to service. These are also called "Oil Pressure Sticks" and "Air Pressure Sticks" In KS Service Documentation. Fully replace the functional mechanism of KS dropper posts May not work with OEM dropper posts