1 eBike Shop in Lake County, SD
Lake County lists 1 shop, Berry Fast Bicycles in Madison, filed as a bicycle shop. Call to ask about electric models.
The paved Madison Bike and Recreation Trail and Lake Herman State Park are the two documented places to ride.
Things to do on an eBike in Lake County →
eBike shops by city
The one listing is in Madison, shown below.
Where to ride in Lake County
TrailLink says the trail runs 5.9 miles on asphalt from Egan Avenue to Johnson Point on Lake Madison, with parking at both ends, and warns that crossing Highway 34 from the Egan Avenue parking is stressful.
Game, Fish and Parks lists Lake Herman State Park as 2 miles west of Madison off Highway 34, with biking on trails and a trail guide.
eBike rules in South Dakota
South Dakota has three eBike classes, all limited to 750 watt motors. Class I and Class II stop assisting at 20 mph (Class II can run without pedaling), and Class III is pedal assist up to 28 mph. Class III riders must be 16 or older, and Class III riders under 18 and all Class III passengers must wear a helmet. Check local rules for licensing, registration, and insurance. See our South Dakota eBike laws guide for sources, then check posted signs.
The path rule is § 32-20B-12. Unless the governmental entity in charge says otherwise, you may ride a Class I or Class II on any bicycle path or multi-use path. A Class III is barred from those paths unless the path is within or next to a roadway or the entity expressly permits it, though a Class III may use a natural-surface trail designated non-motorized if the entity has not restricted it. The George S. Mickelson Trail is stricter. A 2025 law, Chapter 178, amended § 41-17-27 so that only a Class I eBike may use the trail; Class II and Class III are not exempted, and a violation is a Class 2 misdemeanor. Under § 32-20B-13, a Class III operator must be at least 16, though a younger child may ride as a passenger on a Class III built for one. A Class III also needs a working speedometer.
A helmet is required only on a Class III, for operators under 18 and for every passenger of any age (§ 32-20B-14). We found no statewide helmet rule for Class I or II, no eBike driver license, no registration, and no insurance requirement. On the road, a rider going slower than traffic keeps as close as practicable to the right edge (§ 32-20B-5), and a rider on a sidewalk has a pedestrian's duties and must yield and signal before passing. Cities, state parks, and federal land add their own rules. Read our South Dakota eBike laws guide, then check the sign at the trailhead.
Cities in Lake County
For phone numbers and addresses, open the eBike shops in Madison page, because Madison is the only city with a listing here.
Frequently asked questions
How long is the Madison Bike and Recreation Trail?
TrailLink says 5.9 miles, from Egan Avenue to Johnson Point Road.
Where do I park for the Madison trail?
TrailLink says there is parking at the baseball fields on Egan Avenue and at the end of Johnson Point Road on Lake Madison.
Are eBikes allowed at Lake Herman State Park?
The state pages we read list biking trails but do not mention eBikes, so ask the park.
Does a minor have to wear a helmet on an eBike in South Dakota?
On a Class III, yes. Section 32-20B-14 covers operators under 18, and a Class III also requires an operator at least 16 years old under § 32-20B-13. We found no statewide helmet rule for minors on Class I or II.
