It's that easy, with a top speed of 20 mph (32 kph), on flat terrain, and fuel efficiency of over 100 miles per gallon this 15 pound (5 kg) wonder wheel gets you moving quickly.
Implications - If biking is your most common mode of transportation, you may want to check out this wicked bike attachment that will have you doing less pedaling on your journey. Going for $600, the RevoPower easily transforms your bike from being man-powered to motor-powered. Since it's super lightweight and sleek, you can easily modify any of your standard bikes. It will make your daily commute a whole lot easier and definitely make it less tiring.