Official Supplier of the Sturgis Motorcycle Rally 2018 in Sturgis, South Dakota. Sturgis Motorcycle Supplies is the online store for motorcycle accessories and leather wear. We have the highest quality products at the cheapest prices. Here you will find Motorcycle and Atv accessories, eyewear, headwear, leather wear and tarps. Safety is important when driving a motorcycle and that’s why we selected the best and safest American Made products for you.