Bike has 3 sprockets with 50, 40. 30 teeth attached to pedal. largest diameter is 200 mm. Rear wheel has 6 sprockets with 14, 18, 20, 24, 26, 28 number of teeth. distance between the pedal and center of front sprockets is 180 mm. Outside diameter of the rear tire is 600 mm. Human can exert a...