Iowa

Helmet Laws

• Bicycles: No statewide helmet requirement, but helmets are highly recommended for all riders, especially minors.

• E-Bikes:
  • No helmet requirement under Iowa state law.
  • Riders are encouraged to wear helmets, particularly for Class 3 e-bikes.

E-Bike Classification

Iowa follows the standard 3-class e-bike system:

• Class 1: Pedal-assist only, up to 20 mph.

• Class 2: Throttle-assist, up to 20 mph.

• Class 3: Pedal-assist only, up to 28 mph.

✔ E-bikes are not classified as motor vehicles in Iowa.
✔ No license, registration, or insurance is required.

Where You Can Ride

• Sidewalks: Regulated locally — typically discouraged for e-bikes.

• Bike Lanes:
  • All classes may use bike lanes, unless restricted by local ordinance.

• Shared-Use Paths / Trails:
  • Class 1 & 2 are generally permitted.
  • Class 3 may be restricted, depending on trail or park rules.

• Roadways: Riders may operate in the roadway like standard bicycles.

Age Restrictions

• Riders must be at least 16 years old to operate a Class 3 e-bike.

• No minimum age for Class 1 or 2.

Lights & Equipment

• After dark, bikes and e-bikes must have:
  • A white front light visible from 300 feet
  • A red rear reflector or light visible from 300 feet

• Brakes must be capable of skidding on dry pavement, and reflectors are required.

Source:

Iowa Code § 321.1(036A) – Electric Bicycles