Teaching everything from how to make a "chopper" to soldering up electronic circuits, Make: Bikes presents 18 different projects to enhance your bicycle for the summer, including a handlebar-mounted synthesizer horn, a LED headlight, and a mini trailer hauling an armored suitcase. Along with the cool projects, critical how-tos are served up including treatises on stripping down and repainting a bike as well as chapters devoted to mechanics and tools.