U.S. Consumer Product Safety Commission — micromobility information
Charging, compatible batteries, riding safety and consumer warnings
Open primary source ↗Home / Our source library
Editorial evidence deskOur source library
Primary references behind our safety, technology, ownership and shopping explanations, with transparent limitations.
Research is only useful if you can trace claims. These sources establish broad technical concepts or model-specific manufacturer claims. Manufacturer marketing is not an independent lab measurement, and regulations must be checked for your location.
UL Solutions — UL 2849
Scope and limitations of e-bike electrical-system certification
Open primary source ↗UL Standard UL 2849
Formal system standard overview and scope
Open primary source ↗Sacramento Department of Transportation — e-bike classes
Local example of Class 1 / 2 / 3 definitions and road access
Open primary source ↗PeopleForBikes
Advocacy and educational resources; check applicable local rule text
Open primary source ↗Ride1Up — manufacturer models
Official retail specifications used in the sister shopping catalog
Open primary source ↗Velotric — official models
Official retail specifications and current manufacturer listing
Open primary source ↗Aventon — official models
Official retail specifications and current manufacturer listing
Open primary source ↗Federal Trade Commission — endorsement disclosures
Guidance on clear affiliate disclosure
Open primary source ↗Last editorial review: November 3, 2026. We do not claim third-party lab testing, owner interviews, road-test results or direct safety certification of any model.