Bike tours, both in the center of Florence and in the countryside of Tuscany and the Chianti hills seem to have exploded in popularity in the last few years. Perhaps it is mix of affordability and doing something that is good for you that is drawing so many people to this type of tourism. In any case, there are several bike tours from many companies available in Florence, below are a few ideas:
TUSCANY BIKE TOUR
FLORENCE BIKE TOUR
FLORENCE SUNSET BIKE TOUR