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Montana e-bike laws

Jump to county & city rules ↓

Statewide rules

E-bike classes allowedNo class system. An electrically assisted bicycle has two tandem wheels and a motor that can't push a 170 lb rider past 20 mph on level pavement. State law counts it as a bicycle.
Minimum ageChecking with official source
Helmet ruleChecking with official source
Where you can rideChecking with official source
License / registrationChecking with official source

County & city rules

Highlighted counties have local e-bike rules we've checked against an official source. Everywhere else, state law applies. Parks, trails and HOAs can still post their own rules.

Local rules on file State law applies

Tap a county, or pick one below.

No local e-bike rules on file for Montana yet. State law applies until we verify a county or city rule.

Local rules change. Cities, counties and park agencies update their rules often. Check the linked source before you ride.

Sources

This is a summary, not legal advice. Local rules can be stricter; check the sources above.

All statesE-bike guides