Eli5: Why is it so easy to balance a moving bike but not a stationary one?

Question

Just a thought I had today while biking home from work and I don’t know enough physics to answer it

In: 48

Answer 1

I find [stationary](https://www.dickssportinggoods.com/p/proform-500-spx-exercise-bike-22pfmaprfrm500spxbks/22pfmaprfrm500spxbks?sku=23444320&srsltid=AR57-fDXWlwyMBzWcFT79_X-8_WgllL0KFiPhhxcymLYekewdubFVjm7A54) bikes the only kind I can balance on. Lol