Helio Motorized Bicycles was formed in 2009 and is the premiere 4 stroke gas bike company in the USA. This is your Number 1 source for Motor Bike. We offer the best selection of Motor Bike anywhere! We use our expertise to find you the right Motorbike at the right price. HelioBikes is proud to present our New Helio FX50 4 stroke Honda Powered Bicycle. 49cc four stroke motor with USA made Gearbox which is better for smooth riding.