One challenge for the sturdy commuter bike in the US is that cities are built around the car and commute distances are large, rewarding faster bikes. But reliab

One challenge for the sturdy commuter bike in the US is that cities are built around the car and commute distances are large, rewarding faster bikes. But reliability for commuters is certainly a big part of the recent boom in single-speed road bikes, which have thicker chains, dishless wheels, and no shifter to fail.