Did you ever look at your kid’s bicycle or at a chainsaw? You might think what a bicycle and a chainsaw have in common? Well they both have chains; in fact they have a roller chain. You can see roller chains in plenty of places and if you have ever had to put one back on a sprocket for your kid’s bike or replace one on your chainsaw; you can appreciate this simple effective device. Roller chains can be found on everything from the simple bicycle mentioned above to very complicated manufacturing machinery. Next time you get the chance, just look around and see if you can discover the uses roller chains can be put to.