Southern California's biggest mountain bike festival, the Concerned Off-Road Bicyclists Association Fat Tire Festival, celebrates its 22nd year Oct. 25 from 8 a.m. to 4 p.m. in Castaic with a fun-filled day of mountain bike action and activities for families and riders of all ages and skill levels.

Win bikes and great bike gear prizes from our sponsors and donors such as Specialized, REI, Giant, Cannondale, Trek, Settee, WTB, Cynergy Cycles, New Belgium Brewery, Bike Warrior, Helen's Cycles. Test your hill climbing prowess in the Cynergy Hill Cimb Contest and win prizes for the fastest time.

Demo the hottest 2010 mountain, road and women-specific bikes from Specialized, Giant, Cannondale, Trek and Cynergy. Win prizes for the top 10 hands of the poker rides on the super downhill single tracks and challenging hills of Grasshopper Canyon.

How low can you go in the Bike Limbo Contest? Special new event this year is the Kids Zone with special kid size skills features and Bike Parade.

Win tickets to a screening of "Race Across the Sky" the 2009 Leadville 100 mountain bike race featuring Lance Armstrong. Show off your wheelie skills in the Bike Warrior Wheelie Contest for the longest wheelie.

Come play in the skills features area. Join the CORBA skills clinic with riders from Trek and So Cal Scholastic Racing League who will share their techniques and tips. Guided rides through the Canyon for all levels will be provided.

Enjoy Carmen's fabulous tacos in the fun outdoor atmosphere by the picturesque lakes of Castaic. Register early and get extra free raffle tickets.