Below, we cover the features of Shimano's previous generation 11-speed groupsets, Dura-Ace Di2 R9150/9170, Dura-Ace R9100/9120, Ultegra Di2 R8050, Ultegra R8000 and 105 R7000.
At just under £200, these are the most expensive options in our guide. Efficient, secure and lightweight thanks to the carbon-composite body, the Shimano Ultegra R8000 is made for high-performance ...
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