Shimano Dura-ace Di2 12 Speed Braze-on Front Derailleur

Elite road racers demand reliable and precise shifting 12-speed Dura-Ace R9250 delivers with its super-lightweight and compact design Synchronized Shift designed developed to choose the next biggest or lowest gear ratio irrespective of whether a gear change needs to be made by the front or rear derailleur The Di2 front derailleur's operation is pioneering smooth shifting is guaranteed thanks to wireless communication with the gear levers. What's more shifting the rear derailleur automatically trims the front derailleur The biggest difference you will notice is just how much quicker and effortlessly smoother shifting on the front chainrings is even under load The removal of traditional...

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