Bikes that are a few pieces of metal welded together by robots in China go for $100 at Walmart. Carbon fiber bikes that you can lift with your pinky and use to

Bikes that are a few pieces of metal welded together by robots in China go for $100 at Walmart. Carbon fiber bikes that you can lift with your pinky and use to hurtle down a mountain road in the French Alps can be well north of $10,000.