The Rulebook · draft under verification
E-bike law in South Dakota.
The rules at a glance
- Max motor power
- 750 W
- Top assisted speed
- 28 mph
- Minimum age
- 16+ (Class 3)
- Helmet
- Class 3 operators/passengers under 18 must wear a helmet
- Licence required
- No
- Registration required
- No
The three classes
| Class | Assist | Top speed | Throttle |
|---|---|---|---|
| Class 1 | Pedal-assist | 20 mph | No |
| Class 2 | Throttle + assist | 20 mph | Yes |
| Class 3 | Pedal-assist | 28 mph | No |
What the statute actually says
SD adopted the 3-class model in 2020 (SDCL 32-20B): <=750W, Class 1/2 to 20 mph, Class 3 to 28 mph, class labeling and Class 3 speedometer. Class 3 operators must be 16+, and Class 3 riders under 18 must wear a helmet. [Source: SDCL ch. 32-20B (32-20B-9 to -11)]. Draft — verify against the current statute before relying on it.
Draft summary under verification — not legal
advice. Summaries were ported from Redtail eBikes' rulebook research (pulled 2026-07-03) and are being
re-verified against the official sources linked above. State law changes; confirm before you rely on it.