He led at the top of the final climb of the Tour 's second Pyrenean stage , a tough 184 - km ride from Pau to Bagneres - de-Luchon .
He attacked when least expected on the grueling Col de Peyresourde .
Leading at the top of the final climb of the Tour 's second Pyrenean stage , a tough 184 - km ride from Pau to Bagneres - de-Luchon , he attacked when least expected on the grueling Col de Peyresourde .