ALPHA Bike Is Switchable Between A Fixie And A Freewheel

By Andrew Liszewski If you like the sleek look and minimal frame design of a fixie bike, but sometimes prefer the benefits of a freewheel model (like brakes, switchable gear ratios etc.) then a team of 5 mechanical engineering students at the University of Pennsylvania have just finished work on your dream ride. The ALPHA incorporates the team's innovative new free/fixed transmission which