Donhou Land Speed Bike August 10, 2013 Donhou Land Speed Bike August 10, 2013 Man of Many Donhou Land Speed Bike By Man of Many in Action, Rides on August 10, 2013 Would you believe me if I said that simple pedal power could get you up to speeds of 100mph? This video showcases true pioneering spirit and mans desire to push ourselves to the limit. Check out this video for some inspiring ‘backyard engineering’. Check it out Categories:Action, Rides More:100mph, bike, fixie, ride 0 Comments Get the latest. Get it daily. Sign up to discover the best gear from Man of Many in our FREE Newsletter.