The “cart wheels” weigh six kilos, but the most common size is two kilos. Round loaves, of wheat and soft flour, risen with sourdough and baked in wood –fired oven : this is the bread which has made Calitri famous.The “cart wheels” weigh six kilos, but the most common size is two kilos. Round loaves, of wheat and soft flour, risen with sourdough and baked in wood –fired oven : this is the bread which has made Calitri famous.