- Components
- Derailleurs, rear cages & jockey wheels
- ceramicspeed ospwx coated shimano grx/ultegra x 2x system in green
- This 13-tooth lower and 19-tooth upper ospw system has been platform proven at races like paris robaix, strada bianche and cx world cups. The system is built for gravel and cross disciplines and meets the needs for durability, low friction and longevity.Features:ceramicspeed ospw systems reduces friction 35-40% over stock pulley configuration.only compatible with 2x systems. Not compatible with 42-tooth cassettescomplete ospw system for Shimano grx/rx 2x11ceramicspeed pulley oilsticker sheet