- Class 1
- New Hampshire RSA 265:144-a adopts class-based e-bike rules; Class 1 is pedal-assist only up to 20 mph.
- Class 2
- New Hampshire Class 2 allows throttle operation with assistance ending at 20 mph.
- Class 3
- New Hampshire Class 3 is pedal-assist only up to 28 mph and is more restricted on certain paths unless authorized.
- Helmet laws
- New Hampshire applies helmet requirements to younger riders and imposes additional helmet requirements for Class 3 operation under RSA e-bike provisions.
- Age restrictions
- New Hampshire sets a minimum operator age for Class 3 in statute.
- Road access
- Qualifying e-bikes may use roads and bike lanes where bicycles are permitted.
- Trail access
- Class 1/2 are generally permitted where bicycles are allowed unless restricted; Class 3 access is narrower unless a local authority allows it.
- Sidewalk rules
- Town ordinances regulate sidewalks.
- Important notes
- Primary reference: N.H. Rev. Stat. Ann. §265:144-a (classes, helmets, and path restrictions). White Mountain trail managers and Seacoast towns add local rules. Educational summary only—not legal advice.