Motorized Bicycle Guide Home

Motorized Bicycle Guide

Forum Usage
Forum Rules
Infractions
Vendor Rules

New Riders
The Crash Course for MotoredBike N00Bs

Motorized Bicycle Laws
Laws very from state to state and country to country. Check with your local governing office to see the exact requirements.

Lighting and Electrical

Happy Time Info
The "Happy Time" is the most popular, entry-level motorized bike kit. They range between 49cc and 70cc, are mounted in the frame of the bike and are 2-stroke engines. Entire kits start from just over $100 online.

Bike Components
Brakes
Gears
Tires
Wheels

Friction Drive - Two Speed
Friction drive is one of the more popular and easily implemented options for motor-assisted bicycles. This link shows an option for making such a drive essentially a two-speed or free-wheeling (no drag) at will.