This Is Dirt Quake, A go fast, turn left celebration made for anyone and everyone with motorcycle unfit for the half-mile Castle Rock Dirt Circle. A spectacle that cannot be unseen, an event that will leave you trembling in anticipation as world class racers compete in four uncommon categories:
Inappropriate Road Bike; Street Tracker; Kitchen Sink and, everyone's favourite, Chopper Flat Track.
put on by and
thanks to our sponsors that made it possible. Harley Davidson, Icon Motosports, Biltwell, Moto Attic, Rainier, Stumptown coffee, Sizzle Pie Pizza, Motofactory pdx, Poler Stuff, Iron and Resin, Zaeta, Roland Sands Design, Lowbrow Customs, Mt. St. Helens Motorcycle Club. See See Motorcycles, And...lets not forget Sideburn Magazine.

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