Eli5: Why do offroad bicycles have fatter tires while offroad motorcycles have skinnier tires?

Question

Eli5: Why do offroad bicycles have fatter tires while offroad motorcycles have skinnier tires?

In: 17

Answer 1

Gas bikes don’t need as much to cross harsh terrain like sand. But if you’re pedaling, more surface area will get you down the beach easier due to less resistance.