Rolland's victory Thursday was the second in two days for France, following on Thomas Voeckler's win in Stage 10 Wednesday.
Rolland cover the 148-kilometer (92-mile) course from Albertville to La Toussuire in 4 hours, 43 minutes, 54 seconds.
Thibaut Pinot of France finished second, followed by Christopher Froome of Britain.
Wiggins leads Froome by 2:05.
Stage 12 Friday is 226 kilometers (140 miles) from Saint-Jean-de-Maurienne to Annonay Davezieux.
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