KS SuperNatural/Dropzone Oil Cartridge (125mm) - A3121-125
KS SuperNatural/Dropzone Oil Cartridge (125mm) - A3121-125, This is a replacement KS Supernatural/Dropzone Hydraulic Cartridge for dropper seat posts. Features: Replacement oil cartridge can remedy a sinking or rotating dropper Compatible with: i900 Dropzone, i950 Supernatural, i7 Supernatural 27.2 Specs: Model: i900, i950 125mm Description: hydraulic cartridge, black