Recent content by Young Genuis

I need a really cheap bike. I'm not going to ride it or anything I just need to take parts from it. It's needs to be small and between 10-25 dollars. Toys R' Us perhaps?

This might be stupid but I need to know why is it when the wheel spins the pedals don't necessarily keep rotating but when you pedal it moves the wheels. What's the mechanism behind allowing the wheel to spin freely but then to be effected by the pedaling.I know it's really stupid but I really...