Klunkerz” is a 2006 documentary film that explores the origins of mountain biking in the 1970s, focusing on the early pioneers in Marin County, California.
These cyclists, including Gary Fisher, Joe Breeze, and Charlie Kelly, modified old bikes to ride downhill on rugged trails, laying the foundation for a multi-billion-dollar sport. The film highlights the history of these “klunkerz” bikes and their influence on the cycling industry.
