52-inch long cross rail roof rack mounts to most cars, SUVs, or crossovers with raised longitudinal rails, gap between rail and car roof must be 1/2 inch (1.3cm) and above, distance between the outer edge of two rails must be bigger than 38.6 inch (98cm) and smaller than 46 inch (117cm), diameter of rail must be within 1,4-2,1 Zoll (36-55 mm). Vehicle fit found in Product Description below.