The core activity of Sandro Schmid's company is the combination of various activities around the theme of mountain biking and motorcycle travel. Specifically, this includes: The sale of merchandise products such as clothing and accessories through an online shop; The creation and sale of GPX tracks for motorcycle trips; The production of content such as videos, photos, and blog posts about mountain biking and motorcycle travel; Working as an athlete, content creator, bike coach, guide, photographer, speaker, and show rider in the field of mountain biking; The organization and implementation of motorcycle trips and adventures. Overall, the company's core activity can be described as a combination of e-commerce, content creation, and adventure tourism.