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In their search for the very best road bike of 2017, Cycling Plus collected a few arch rivals in five different categories and pitted them against each other.
The best of those will eventually be crowned overall Bike of the Year.
We pit the Boardman Elite Endurance's disc brakes and Dura-Ace against the racy Ribble R872 with Ultegra Di2.
Both offer incredible value for money, but which comes out on top?