From the Chopperfest website:
The 14th Annual David Mann Chopperfest will be held on Sunday February 4th 2018 at the Ventura County Fairgrounds in Ventura CA from 8am-4pm. The event features: A very special Motorcycle Art Exhibit, an All Brand Antique and Custom Motorcycle Show; Custom Bike Builder Displays featuring World Class Bike Builders; Hundreds of Motorcycle/Culture Vendors; a New and Used Motorcycle Parts Swap Meet; Live Rock and Blues Bands, Food and Beer.
General admission is $15, Military with ID $10, kids 12 & under are free. Note: No Colors, No Pets, No Outside Alcohol.
Please visit http://www.chopperfestival.com for more information.