We specialize in converting your bike to electric assist with a powerful mid drive motor kit. Over 400 bikes converted in shop to date, with over 1000 kits sold online. Your trusted source for up grading your bike to an electric mid drive in the Nor-Cal Bay Area. Call 510-825-4754 or email Matt@EMPoweredcycles.com for details about your e-bike conversion. Custom machined solutions and outstanding customer support. Set up an appointment for your bike today.