These hybrid motorbike creations, from the wheels to the main body frame, look like bicycles. But right on the top tube is a 1.8 gallon gas tank and just below that is a 49cc 4-stroke engine. That’s for when your hamstrings and quadriceps get tired and would like to switch to combusting gasoline for a while.

Derringer Cycles are the fruit of the skills and imagination of industrial designer Adrian Van Anz. These bikes are only for the serious enthusiasts as each model is practically handcrafted and unique.  Certain components can also be customized to a certain degree according to the customer’s preference such as the copper rivets or the leather seat.

The inspiration for their design is the 1920’s board track racing motorcycle. But this modern interpretation can only reach around a maximum of 35 mph and a mileage of 180 miles per gallon. You probably shouldn’t test this on a velodrome.

Via Restoration Hardware