With EVELO's Omni Wheel, virtually any bike becomes an electric bike within 30 minutes, that gives you a boost of power when you need it. You can ride with the speed up to 17 miles per hour.
A single charge provides up to a 40 mile range — more than enough for your everyday commute or recreational ride. The wheel comes in two sizes, 26" and 700C, meaning it fits a wide range of bikes. Starting price for the cheapest wheel is $999, which is substantially less than low-end electric bikes.
Besides the Omni Wheel, there are similar products on the market such as the GeoOrbital wheel and the Superpedestrian, which have different design, specifications and prices. Read more at http://www.ecowatch.com
