- Class 1
- Maine statute (Title 29-A) defines Class 1 as pedal-assist only, with assistance ending at 20 mph and motor power capped at 750 watts.
- Class 2
- Maine defines Class 2 as throttle-capable electric bicycles with assistance ending at 20 mph.
- Class 3
- Maine defines Class 3 as pedal-assist only up to 28 mph, with stricter path access than Class 1/2 in many settings.
- Helmet laws
- Maine requires helmets for younger riders under state bicycle/e-bike safety provisions.
- Age restrictions
- Maine sets youth restrictions for operation of higher classes (notably Class 2/3) in statute.
- Road access
- Qualifying e-bikes may use roads and bike lanes where bicycles are allowed.
- Trail access
- Class 1/2 are generally allowed where bicycles are allowed unless restricted; Class 3 and natural-surface trail use are more limited unless specifically authorized.
- Sidewalk rules
- Town ordinances control sidewalks; tourist towns may be strict.
- Important notes
- Primary references: Me. Rev. Stat. tit. 29-A, §§2063, 2080–2081 (electric bicycle classes). Acadia-area and Downeast towns may restrict certain classes on shared paths. Educational summary only—not legal advice.