How does the AXS ecosystem from Sram work? Wirelessly, of course, via radio and a gear range of 520 percent. If you want to know more about this technology, you can find out everything you need to know in just under 5 minutes.

The motto of the Zurich-based company Bikerevier: a mountain bike should provide years of unrestricted riding fun, ideally for several owners at once. This should also help to conserve the earth's finite resources. And the business mission is: Bikerevier buys, overhauls, sells and rents out used mountain bikes.

This can be very easy - or end in a mess. We are talking about fitting tubeless tires with puncture protection milk. Most manufacturers provide video clips with tips and tricks. Goodyear, the tire specialist that also offers mountain bike tires, does it the old-fashioned way with a pdf document, which should also lead you to your goal.