This is a Whirlwind C4 lightweight electric bike which can be folded up. It has three gear options and the rider can therefore choose whether they pedal alone, have pedal assist or are on pure electric mode which can go up to 15.5mph. There is an LED screen which will display speed, distance travelled, gear level and battery level. It is very easy to fold up to a size of just 71 x 40 x 63cm and is light to carry once folded – just 16kg. It takes 3-4 hours to charge it up and it has a power of 250W with a climbing capacity of 15 degrees.