Shimano Ultegra Di2 RD-R8050 Rear Derailleur

Updated with a SHIMANO SHADOW RD design, the SHIMANO ULTEGRA 8000 rear derailleur offers a sleek appearance and optimized shifting performance.

• Shimano shadow RD construction
• Low profile rear derailleur design, less likely to be damaged in crash
• Shimano Synchronised Shift and system communication with front derailleur
• SS: compatible with 11-25 to 11-30 cassttes
• GS: compatible with 11-28 to 11-34 cassettes
• 11-speed
• 242g (SS), 249g (GS)