Yellow Rules is a Portuguese importer and distributor of parts and accessories for off-road motorcycles, bicycles and UTVs. Founded in 2020 by Renato and Michelle Furmann, the family-run company draws on their two decades of experience in the motorcycle publishing industry and their own participation in enduro riding. Based in Viana do Castelo, Portugal, Yellow Rules selects products from manufacturers in Brazil, Europe and North America, with the founders personally testing products before they are offered to customers.

Its range includes motorcycle protection, performance parts, tyres and inner tubes, air filters and filter-care products, cleaning detergents, tools, lubricants and accessories. For cyclists, the company distributes products such as pedals, wheels, bearings, braking components, protective gear and mountain-bike handguards. It also offers off-road goggles and lenses designed with airflow systems, as well as UTV parts and accessories. Yellow Rules represents a portfolio of specialist brands, distributing products in Portugal, Spain and other European markets, depending on the brand. The company emphasizes product quality, functionality and attentive customer service.