This Swytch kit can turn any bicycle electric. All the parts come in the box, and you just have to replace your front wheel with the one provided, attach the sensor to the pedal and mount the power pack on the front. Lights on the pack show you much battery is left and you can increase the power using the arrows. It has a range of 50 km and a top speed of 20 miles an hour making it perfect for getting up hills without breaking a sweat. Get a whopping 50% off (£500) when you sign up!