The cycling specialists: e-bike and mountain-bike trips to Playa Larga and Estancia Túnel, and in winter fat bikes across the ice to the beaver dams. They also rent bikes, ski gear and warm clothing, and sell the usual 4x4, trekking and navigation trips.
The WhatsApp below is the one their site gives for rentals and bikes; it is also the one on the tourism secretariat's register. A second number, for their travel desk, is on their site.