lost the yellow jersey by eight or nine seconds to in Stage 15 of the . Contador took advantage of a mechanical failure that Schleck had with his chain, which slowed Schleck down during a climb. Schleck didn't give up easily, though, as he fixed the chain, got back on his bike, and proceeded to grind up the mountain again, picking off riders one by one, including , in attempt to catch up to Contador. Watch Schleck's struggle above, and the finish of the stage below.
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–Aileen Torres