So you would like to upgrade your existing bicycle into an electric one? The UrbanX Electric E-bike Wheel has you covered. It turns your bike into an e-bike with a range of 30 miles and top speed of 20 mph. The kit should fit 90% of all bikes. The motor is available in 350W and 240W versions.
The UrbanX wheel has a pedal assist system with three modes: Full-Electric, Pedal Assist & Normal Pedaling. It can be installed using a wrench and other simple tools in under a minute.