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The front derailleur's operation is pioneering. Smooth shifting is guaranteed thanks to a microchip communication link with the gear levers.
Fast, precise and smooth electronic shifting – even under loadAutomatic trim functionWeight: 162gWhat's more, shifting the rear derailleur automatically trims the front derailleur. This ensures that the chain never rubs. Its rigid construction guarantees swift, silent, smooth shifting even under the most demanding of conditions.
Shimano Ultegra Di2 10 Speed Rear Derailleur£209.99
Shimano Ultegra Di2 STI Levers£289.99
Shimano Ultegra Di2 STI, Front and Rear Mech Group£1,124.92