For short trips, the efficiency and convenience of electric bikes is hard to beat. Here are some statistics: 40% of all trips are made within two miles of the home, and 50% of workers commute five miles or less to work. Now with E-bike motor kits, you can easily convert your bike or trike into electric version.
E-Bike Conversion Kit:

The kit includes motorized wheel, motor controller, speed throttle, power break lever, wire harness

Travel ranges: 38 km/36V12AH or 50km/36V16AH battery pack

Speed: 0-45kpm; Hub Width: 85mm front or 128mm rear hub motor

Double wall rim special for e-bike

Motor Specifications: 36Vdc/500W/320rpm or 48V/1000W/430rpm