Shimano Ultegra R8050 Di2 Shadow Rear Derailleur

Shimano Ultegra Di2 Shadow rear derailleur.

– Sleek integrated appearance
– New low-profile design
– Shimano Shadow RD
– Race endurance
– Optimized slant angle
– Maintain race concentration with more intuitive shift control
– System communication with front derailleur
– Shimano Synchronized Shift
– Wide compatibility
– Short cage covers: 11-25T to 11-30T
– Medium cage covers: 11-28T to 11-34T
– Average Weight: 242 grams (SS type), 249 grams (GS type)