What’s a Sprocket? A sprocket looks like a wheel with teeth.

Hmmm…what’s so useful about sprockets anyway?

Well, when you use roller chains with sprockets, things start to happen! Like this!

You see, sprockets are used in bicycles, motorcycles, even tanks and many many machines.

Can you spot the sprocket in this machine?


Spot the sprocket in this machine.

Watch how sprockets work in a tank.