Mountain biking originated in the 1970s when American cycling enthusiasts began modifying heavier cruiser bicycles so they could be ridden on unpaved backcountry trails. These early "fat tire" bikes had wheels with wider tires and more durable frames that could handle rougher terrain compared to standard road bicycles. Through the 1980s, mountain bike designs continued evolving with s... https://www.coherentmarketinsights.com/industry-reports/mountain-bike-market#:~:text=Mountain%20Bike%20Market%20Size%20and%20Trends,10.6%25%20from%202024%20to%202031.