Klunkerz (documentary)

"Klunkerz" is a documentary that explores the origins of mountain biking, focusing on the innovative enthusiasts in California during the 1970s. It highlights how riders repurposed old bikes, adding sturdy tires and gears to develop a new extreme sport that emphasized off-road adventure and personal expression. The film features interviews with early pioneers and showcases vintage footage, capturing the passion and experimentation that led to the creation of mountain biking. Overall, it offers insight into a grassroots movement that transformed cycling into a popular and adventurous sport worldwide.