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California e-bike law: class definitions and rules

California was an early adopter of the three-class e-bike model and writes the class definitions directly into its Vehicle Code, along with rules on labelling, helmets and minimum age for the fastest class.

The statutory class definitions

California Vehicle Code section 312.5 defines an electric bicycle as a bicycle with fully operable pedals and an electric motor of less than 750 watts, sorted into three classes. A Class 1 bike assists only while pedalling and cuts off at 20 mph. A Class 2 bike has a throttle-actuated motor that cuts off at 20 mph. A Class 3 bike assists only while pedalling, is equipped with a speedometer, and cuts off at 28 mph.

Labelling and equipment

California requires each electric bicycle to carry a label, in a prominent place and in permanent letters, stating its class number, top assisted speed and motor wattage. Manufacturers must also ensure the bike complies with equipment and manufacturing requirements referenced in the code. A bike that is tampered with to change its speed capability must have the label updated.

Helmets, age and access

In California a rider of a Class 3 electric bicycle must be at least 16 years old, and any Class 3 rider or passenger must wear a bicycle helmet. Class 1 and Class 2 e-bikes are generally allowed wherever conventional bicycles are permitted, including bike paths, unless a local authority prohibits them. Class 3 bikes are restricted from many bike paths and trails unless specifically allowed by the local jurisdiction.

No licence, registration or insurance

Because a compliant electric bicycle in California is defined as a bicycle rather than a motor vehicle, riders do not need a driver licence, vehicle registration or licence plates, and the state does not require motor-vehicle insurance to ride one. This is the practical benefit of staying within the class definitions: the moment a bike is modified so it exceeds 750 watts or assists beyond its class speed, it can fall outside the electric-bicycle definition and be treated as a moped or motorcycle, which does require registration, insurance and a licence.

A device with a motor of 1,000 watts or more, or one that does not meet the class definitions, is not an electric bicycle under California law and cannot be ridden as one on public roads and paths.

Related

Sources: California Vehicle Code 312.5, electric bicycle class definitions · PeopleForBikes, Electric Bicycle Model Legislation and the 3-class system