Shimano RD-R8050 ULTEGRA DI2 REAR DERAILLEUR

New low-profile design
SHIMANO SHADOW RD
RD-SS covers: 11-25T to 11-30T
Sleek integrated appearance
Wide compatibility
RD-GS covers: 11-28T to 11-34T
Maintain race concentration with more intuitive shift control
Race endurance
Optimized slant angle