In a large mixing bowl, dissolve yeast and sugar in the warm water. Let sit until creamy; about 10 minutes.
Stir the olive oil, whole wheat flour, salt and 4 cups of the bread flour into the yeast mixture. Mix in the remaining flour, 1/2 cup at a time, stirring well after each addition. When the dough has pulled together, turn it out onto a lightly floured surface and knead until smooth and elastic, about 8 minutes. Lightly oil a large mixing bowl, place the dough in the bowl and turn to coat with oil. Cover with a damp cloth and put in a warm place to rise until doubled in volume; about 1 hour.
Deflate the dough and turn it out onto a lightly floured surface. Divide the dough into three equal pieces and form into rounds. Cover the rounds and let them rest for about 10 minutes. Preheat oven to 425 degrees F (220 degrees C).
Use a rolling pin to roll the dough into the desired shape, cover it with your favorite toppings and bake at 425 degrees F (220 degrees C) for about 20 minutes or until the crust and cheese are golden brown.
