Harley Sportster ´72

S2 E14: Motorcycles puts three new Harleys to the test: The versatile Switchback Dyna, the motorized Bonanza bicycle Sportster 72 and the bad-boy bike "Softail Slim". Plus: Two German bikers take their BMW bikes on an adventure and drive thousands of miles through the deserts of Mexico. And: Motorcycles reviews the Triumph Speedmaster, the British answer to Harley-Davidson cruisers.