Klunkerz documents mountain bike history during the late 1960s and 1970s in Northern California. The film examines the relationships of the San Francisco Bay Area hippies, athletes, artists and entrepreneurs who are directly responsible for the global popularization off-road cycling. Klunkerz includes interviews with those present at the embryonic stages of the sport including Mountain Bike Hall of Fame members Gary Fisher, Charlie Kelly, Joe Breeze, Tom Ritchey, Mike Sinyard, Steve Potts, Jacquie Phelan, Charlie Cunningham, Otis Guy, Alan Bonds, Wende Cragg, The Morrow Dirt Club, The Larkspur Canyon Gang and more. Klunkerz also looks at many seminal events in mountain bike history, including the legendary Repack downhill race series which began in 1976.
