Missouri

How the law defines it: Three-class system: bicycle with working pedals, a seat and a motor under 750 W. Class 1 (pedal assist) and Class 2 (throttle) stop assisting at 20 mph; Class 3 (pedal assist) at 28 mph. Not a motor vehicle or motorized bicycle.

Helmet

Not addressed in statute.

Minimum age

None in statute.

Speed limit or cap

Motor assist stops at 20 mph (Class 1/2) or 28 mph (Class 3).

Motor power cap

Under 750 W

License, registration, insurance

Not addressed in statute. E-bikes are excluded from the definition of "motor vehicle."

Also worth knowing

Missouri defines e-bike classes and gives riders bicycle-style road rights, but has no e-bike rules on paths, age, helmets or labeling.

Not addressed in statute. Not addressed in statute. Missouri has no e-scooter definition; the bicycle definition expressly excludes "scooters and similar devices." We found no Missouri statute that covers this vehicle by name or by a definition that clearly fits it. That isn't permission: police and cities may treat it under another category. The "motor vehicle" definition (any self-propelled vehicle) excludes only farm tractors and e-bikes.

Not addressed in statute. We found no Missouri statute that covers this vehicle by name or by a definition that clearly fits it. That isn't permission: police and cities may treat it under another category.

Not addressed in statute. We found no Missouri statute that covers this vehicle by name or by a definition that clearly fits it. That isn't permission: police and cities may treat it under another category.