Treefrog Elite 1Any bike, any car, any time. No tow bar or roof racks required. Fits and removes in under 1 minute without the need for a single tool! A TreeFrog bike carrier is quite literally the last bike carrier you will ever need to buy. Whether you change cars often, like to switch between several household cars, or simply cannot justify the cost of a tow bar or roof racks plus a bike rack to transport your bike, a TreeFrog bike carrier is your final solution.