Instead of starting from scratch, he purchased the motorcycle business Wanderer from German manufacturer Winklhofer & Jaenicke, along with the design and tooling for the new Wanderer 500 motorcycle.
Combining the first two letters from "Janiček" and "Wanderer", the first Jawa motorcycle was conceived - the Jawa 500 OHV.
After World War I, the demand for weapons fell, so the skilled workforce and factories of Europe focused their precision manufacturing techniques on the nascent world of motorcycles.
In 1929, Janiček was lured in.