Tech of the Month July: Shimano 105 12-speed Di2 and bikes of the Tour de France

This month we’ve got two big hitters: the hotly anticipated Shimano 105 12-speed Di2 groupset and a run through of all of the new bikes – both those released and still yet to be officially announced – that look set to be ridden at the Tour de France.

Now, we did record this before the first stages of the Tour took place – so we have now seen some of these bikes in action. Others are only likely to be brought out once we get to the high mountains – we’ll have to see.

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