A motorized bicycle is defined as a two or three wheeled vehicle that is propelled by an internal combustion engine or a battery powered motor, and if powered by an internal combustion engine, has the following:
- An engine rating less than 50cc
- An automatic transmission
- A maximum speed of not more than 25mph on a flat surface.
You do not need a license to ride a motorized bicycle in Indiana so long as it meets the criteria above and you are at least 15 years of age.
If you are under the age of 18 years you need to wear a protective helmet and protective glasses.
You do not need to register a motorized bicycle in Indiana as long as it meets the above criteria.