Sonoma Police Warn Parents About Rising E-Bike Dangers

SONOMA VALLEY, CA — As summer approaches and more young riders take to Sonoma streets, police are warning parents that many electric bikes now hitting local roads may not qualify as legal e-bikes under California law.

The warning in a long message from Sonoma police comes amid a sharp increase in both e-bike traffic and dangerous riding behavior across the city, including around the heavily visited Sonoma Plaza.

Police said many newer e-bikes resemble motorcycles more than bicycles, creating confusion for families about what children can legally ride on public roads. Under California law, riders of both traditional bicycles and e-bikes must obey the same traffic laws as drivers of motor vehicles.

Officials urged parents to make sure children ride only street-legal e-bikes and understand roadway rules before heading out.

California divides e-bikes into three legal categories.

Class 1 and Class 2 e-bikes can travel up to 20 mph with motor assistance and are allowed where bicycles are legally permitted. Class 1 bikes provide assistance only while pedaling, while Class 2 models also include a throttle. Riders younger than 18 must wear helmets.

Class 3 e-bikes can reach speeds up to 28 mph but cannot legally be operated by riders younger than 16. Riders of Class 3 bikes must wear helmets regardless of age, and the bikes are prohibited on bicycle and pedestrian trails.

Police also warned that electric bikes with motors rated at 750 watts or higher fall outside California’s legal e-bike classifications. Those vehicles require DMV registration, insurance, and a valid driver’s license because they are treated as mopeds or motorcycles.

Officers highlighted another growing issue: modified bikes that replace pedals with motorcycle-style pegs. California law requires every legal e-bike to have “fully operable pedals” capable of manually propelling the bike. Without them, the vehicle no longer qualifies as an e-bike.

The City of Sonoma also enforces local restrictions beyond state law. Riders cannot operate bicycles or e-bikes on sidewalks surrounding the plaza or inside the plaza park itself. Cyclists must walk bikes through those areas.

Elsewhere in the city, riders may use sidewalks and bike paths only if speeds do not endanger pedestrians. Officials directed residents to Sonoma laws for local bicycle regulations.

They pointed families to the California Highway Patrol bicycle and pedestrian safety page and the CHP’s online electric bicycle safety training course for guidance on classifications, helmet requirements, and accident procedures.

Police said unsafe riding can lead to serious physical injuries and lasting emotional trauma, especially involving younger riders. Officials encouraged parents to review safety laws with children before they head onto Sonoma roadways this summer.

RELATED: When E-Bikes Meet the Law: CA’s Fight Over Safety, Speed, And Accountability