Bike lock folding-Shimano R8050 GS Ultegra Di2 11 Speed Rear Derailleur

Shimano R8050 GS Ultegra Di2 11 Speed Rear Derailleur

Updated with a SHIMANO SHADOW RD design, the SHIMANO ULTEGRA 8000 rear derailleur offers a sleek appearance and optimized shifting performance. The RD-8050 Di2 versions offer the digital precision of SHIMANO electronic shifting and synchronized shifting.