Complex sentence: Nowadays pizza delivery motorbikes have electrically heated bags to keep pizzas warm during the journey, but the preference towards calzone when ordering for home delivery remains; probably more as a tradition than for the heat retention advantages offered by the calzone.
Split into simpler sentences: Nowadays pizza delivery motorbikes have electrically heated bags to keep pizzas warm during the journey, but the preference towards calzone when ordering for home delivery remains. Probably more as a tradition than for the heat retention advantages offered by the calzone.