The 2015 Tour de France is set to be one for the climbers (if they all make it through the cobbles) with 12 stages finishing at the top of a hill of some kind and a few more testing mountain stages with descending finishes. The early, classics style climbs will certainly make the initial competition for the yellow jersey more exciting with the puncheurs looking to take the lead, but the main GC battle will be decided on the classic climbs of the Pyrenese and Alps. Checkout some of the key climbs of the race below.