Bob Roll, known to racing fans as Bobke (boob-ka), is a former Tour de France racer and member of the U.S. Cycling Hall of Fame. He is the author of two books on the wild side of racing, Bobke and Bobke II, and is a wildly popular bicycling commentator for the Outdoor Life Network.
Dan Koeppel has been writing for more than 20 years about bikes, bike racing, and outdoor adventure for National Geographic Adventure, Bicycling, Men's Journal, and ESPN: The Magazine. He was inducted into the Mountain Bike Hall of Fame in 2003.