* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. ** Nutrient information is not available for all ingredients. Amount is based on available nutrient data. (-) Information is not currently available for this nutrient.
They can pedal faster or they can have a bigger wheel. Even for sporty people, about 100 turns a minute is the limit to how fast they can turn the pedals. A typical bicycle might have a wheel of 0.7 m, but the penny-farthing often had a front wheel of 1.5 metres (about 1.6 yards). 1 turn of the pedals moves the bicycle 3.142 x 1.5 metres forward, i.e. 4.7 metres.
Using a 350W motor and a 48 volt lithium-ion battery, the Copenhagen Wheel captures braking energy and then dolls it out based on need. At maximum output it can help propel a biker to speeds of up to 20 mph, though it is most useful when tackling a long or steep hill.