Peloton sells a stationary bike for $1,995 and has recently exploded in popularity. Equipped with a wifi-enabled touch-screen, the bike allows you to join studio-grade spin classes remotely get a great workout from anywhere. Over the course of two weeks, Producer Benji Jones put it to the test, taking a 45-minute class every day. To measure his progress, he did a before and after fitness assessment. The results may surprise you.