What happens when you introduce 20,000 bicycles to a town in Nicaragua? Pedals for Progress founder David Schweidenback figured the only way to find out for sure was to…introduce 20,000 bicycles to a town in Nicaragua. Spoiler alert! — good stuff, that’s what happens. Like people lifting themselves out of poverty and improving their quality of life. Pretty soon Rivas, Nicaragua will have its own chapter of Critical Mass, and before you know it, Volkswagen Golf drivers will be running down cyclists in the streets because they’re in a hurry (to get to the homicidal maniac convention).