- Class 1
- Iowa law defines Class 1 low-speed electric bicycles as pedal-assist only with assistance ending at 20 mph and motor power within statutory limits.
- Class 2
- Iowa defines Class 2 as throttle-capable low-speed electric bicycles with assistance ending at 20 mph.
- Class 3
- Iowa defines Class 3 as pedal-assist only up to 28 mph and applies additional restrictions compared with Class 1/2.
- Helmet laws
- Iowa does not set a broad statewide adult bicycle helmet mandate in the e-bike statute; local policies may still require helmets in specific contexts.
- Age restrictions
- Iowa sets a minimum age for Class 3 operation under state law.
- 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 access can be more limited by statute or local rule.
- Sidewalk rules
- Municipalities regulate sidewalk use city by city.
- Important notes
- Primary reference: Iowa Code §321.235B. Rail-trails and county conservation boards publish separate e-bike policies. Educational summary only—not legal advice.