Smith got his first motocross bike aged six.

Riders use modified motocross bikes with after market parts to lower weight and improve performance.

It started as a small business distributing suspension components for motocross bikes.

The players each control a motocross bike in a race to the finish line.

Hansen received his first motocross bike at five, and began racing competitively at eight.

"What that does for us is to be able to provide the fantasy of a real motocross bike in a toy version."

Aprilia later produced a motocross bike in 1970 called the Scarabeo.

Raul Nestor who wanted to own a motocross bike and win competitions.

This pint-sized electric motocross bike packs plenty of power and can reach speeds up to 14 miles per hour.

Stanton started his racing career by spending 10 years on a motocross bike.