The document is an announcement for the Sheetiron 300 dualsport motorcycle ride taking place May 18-19, 2013 in Stonyford and Fort Bragg, California. The 300-mile ride will start and end in Stonyford over 2 days, with an overnight stop in Fort Bragg. Riders must pre-register by April 1 and their motorcycles must meet noise and emissions regulations to participate. Riders will receive route instructions and roll charts at sign-in after passing technical inspections.