Muli MuskelMuli Muskel The muli Muskel is the first, lightest and most sustainable muli we have ever built. Compact, with a folding basket, it combines city bike and cargo bike in one! You can effortlessly transport shopping, kids, dogs, boxes, parcels or whatever you want. It fits in tight bike spaces and on the suburban train. Our Original is ideal for your everyday life in the neighborhood, without any long distances.