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South Dakota e-bike laws

E-bike classes allowedClass I, II and III; 750 W or less; label required (32-20B-9, -10)
Minimum ageMust be at least 16 to operate a Class III (may ride as passenger) (32-20B-13)
Helmet ruleClass III: operators under 18 and all passengers (32-20B-14)
Where you can rideClass I and II on bicycle and multi-use paths unless prohibited; Class III only if the path is next to a road or expressly permitted (32-20B-12)
License / registrationNot a 'motor vehicle' for title and registration (32-3-1(17)), driver licensing and traffic chapters (32-14-1(17), used by 32-12) or financial responsibility (32-35-1(6))

Sources

This is a summary, not legal advice. Local rules can be stricter; check the sources above.

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