Visit nearly any American city and a bike awaits you. Kiosks filled with bikes for rent populate the cores of New York, Boston, Minneapolis, Chicago, Portland and 113 other cities in the country. University towns such as Ann Arbor, Michigan, and Pullman, have bike share programs, as do the campuses of Yale, Ohio State, Purdue and Princeton universities. Smaller cities like Rapid City, South Dakota, and Clarksville, Tennessee, have them.