Why do the teams use mountain bike discs on the Tour de France?


As we enter the third week of the Tour de France, we have already had a lot of time to watch the riders’ bikes, and there has been a lot of technical talk during this year’s race. There have been discussions about tires, as the debate between tubular and tubeless has been usurped by clinchers. Wheels have also had their time in the spotlight, as Jumbo Visma and Ineos Grenadiers shunned Shimano in favor of non-sponsor selections, despite our suggestion that Shimano has something new to come.Now it’s the turn of another component based on the wheels, the disc brake rotors. Cyclists like Julian Alaphilippe, Marc Hirschi and Adam Yates use mountain bike rotors.

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New Shimano wheels at the Tour de France

XTR rotors as used by Marc Hirschi (Image credit: Getty Images)
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Le Specialized Tarmac SL7 de Julian Alaphilippe

Alaphilippe also uses them (Image credit: Wout Beel)
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Shimano Tour de France MTB rotors

Adam Yates too. But why? (Image credit: Getty Images)


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