In the world of cycling, I guess you could say that mountain bikers and road bikers are serious rivals. So, it was only a matter of time that the two worlds collide in a chest-beating rap battle to determine which reigns supreme.

The battle goes back and forth taking barbs at each other's riding style. Then, it gets real when the two rappers exchange rhymes about their opponent's mom.

In a world of parody rap battles, this has to be at the top of the list.

Created by Matt and Jason of the YouTube genius IFHT.