ARIELSquare Four 600 4F 1932 - 1936

　　The 1932 Ariel Square Four 600 4F has, at its heart, an air-cooled, four-stroke, 601cc, double vertical twin cylinder engine paired to a four-speed manual transmission, and can also produce a claimed 23 horsepwoer at 5600 rpm. In addition, it comes with a hardtail rear suspension, a sprung single seat, a large luggage rack, a parallelogram front fork, full fenders, a large headlight, a drum braking system, laced wheels, a dual exhaust system, and a blacked-out frame.