Bike shops around the country couldn't keep them in stock as orders spiked and supply chains buckled. Peloton spent hundreds of millions of dollars in late 2020 to beef up its production and shipping operations as consumers complained about having to wait for weeks and months for their $2,000 bikes and treadmills to arrive. It's not hard to see why: Riding outside was a way to exercise, socialize and get from point A to B without risking Covid exposure on public transit. Riding indo...