Porte unsure what to expect of Station des Rousses and Chambery finishes - Tour de France shorts

After two days for the sprinters, BMC's Richie Porte is ready for a weekend in the mountains. The Australian was fourth in the first climbing test of the Tour de France at La Planche des Belles Filles and after two stressful flat days, he is looking forward to terrain better suited to his characteristics.