Have a spare XR50/pit bike engine and parts lying around and an old mountain bike collecting cobwebs in your garage? Spend your weekend turning them into a fun, efficient way of getting around town with a Motoped ($1,000) conversion kit. All you need to bring to the project are a Honda 50-190cc motor, gas tank, seat, and a couple other parts, along with forks, brakes, wheels, tires, cranks, and pedals from a mountain bike. The kit comes with everything else: frame, swing arm, jack shaft, bottom bracket, rear hub, sprockets, and exhaust. When you're finished, you'll have a 4-stroke motorized bike that you can pedal, or ride on- and off-road.
Sometimes the open road isn't enough freedom, and you feel the need to hit the dirt. If you own a Harley Davidson 1200 or 883 Sportster made between 1993 and 2003, the guys at Carducci want to help turn it into an SC3 Adventure Dual Sport Motorcycle ($TBA). You supply the bike, they supply everything else, including the swing arm, gas tank, foot controls, fly screen, crash bar, skid plate, subframe, and more — doing all the assembly in their California shop. When you get your bike back, it'll be a fully-street-legal, off-road machine.
The Ducati Diavel Dark Motorcycle ($18,000) just looks mean — a bike you really wouldn't want to mess with. For starters, the all-black paint job makes it look like something that would be at home in the Bat Cave. It has swept-back, sharp lines from the headlight to the tail, and a massive rear Pirelli Diablo Rosso II tire that gives it a stance like it's ready to pounce. It also comes with an engine befitting such an aggressive machine, the Testastretta 11°, which produces 162 hp and 94 lb-ft of torque — plenty to help it leap from traffic light to traffic light.