Guide
E-bike classes & speed rules
The class printed on your bike's label can change where you were allowed to ride and how fault is argued after a crash.
| Class | Motor | Assist stops at | Typical rules |
|---|---|---|---|
| Class 1 | Pedal-assist only | 20 mph | Allowed on most bike paths |
| Class 2 | Throttle (and pedal-assist) | 20 mph | Allowed on most bike paths |
| Class 3 | Pedal-assist only, speedometer | 28 mph | Riders 16+, helmet required; often banned on paths |
Why it matters in a claim
Modified bikes. A bike "unlocked" to go faster than its class may legally be treated as a moped or motor vehicle, which can affect insurance and fault.
Mislabeled bikes. If a seller labeled a bike as Class 1 or 2 but it goes faster, the seller or maker may share responsibility.
Location rules. Cities often limit Class 3 bikes on paths and boardwalks. Riding where the class is banned can be used to argue comparative fault — but doesn't automatically end a case.
California defines the classes in Vehicle Code 312.5. New York uses a similar three-class system with its own speed and local rules.