Ducati's breaking new ground with its first-ever dirt bike, the Desmo450 MX. Here's what you need to know about the bike, ...

Kilkenny set a new AMA national record, he was the fastest 500cc sit-on bike at the event and the bike he rode, the Cardboard Robot KX500, is the World's Fastest Dirt Bike.

Ducati claims a wet weight of 242 pounds for the Desmo450 MX, with its 1.9-gallon fuel tank filled. The perimeter frame is ...