KS LEV DX/Integra Oil Pressure Cartridge - 175mm Length-129 Ultegra FD-R8050 Front DerailleurSystem communication

Ultegra FD-R8050 Front DerailleurSystem communication with rear derailleur combined with programmed chainguide control means minimal chance of chain drop

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KS LEV DX/Integra Oil Pressure Cartridge - 175mm Length-129 Ultegra FD-R8050 Front DerailleurSystem communicationKS LEV DX Integra Oil Pressure Cartridge 175mm. 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