In a large bowl, dissolve the yeast and sugar in the warm water. Let sit until creamy, about 10 minutes.
Stir in 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 a cup at a time, stirring well after each addition. When the dough has pulled together, turn it out into a lightly floured surface and knead until smooth and elastic, about 8 minutes.
Lightly oil a large mixing bowl and place the dough in the bowl and turn to coat. Cover with a damp cloth and let sit in a warm place to double in size, about 1 hour.
Punch down the dough and turn it out onto a lightly floured surface. Divide the dough into three equal pieces and form into balls. Cover and let rest for about 10 minutes. Preheat the oven to 425˚F
Use a rolling pin to roll the dough into your desired shape. Cover with desired toppings and bake for about 20 minutes or until the crust is golden brown.