Shimano Ultegra Di2 Shadow RD-R8050 11-speed Rear Derailleur

The Ultegra Di2 RD-R8050 Rear Derailleur by Shimano - Always a Smooth RideThe electronic Shimano Ultegra Di2 RD-R8050 Rear Derailleur is characterised by its particularly low profile, the so-called Shadow Design, and boasts not only a compact appearance bu