Fit, middle-aged man riding fat tire bicycle biking on beach during sunset at Pacific Beach, San Diego, California, USA

- Image ID: T0M363
John D. Ivanko / Alamy Stock Photo
Image ID: T0M363
A fatbike (also called fat bike or fat-tire bike) is an off-road bicycle with oversized tires, typically 3.8 in (97 mm) or larger and rims 2.16 in (55 mm) or wider, designed for low ground pressure to allow riding on soft, unstable terrain, such as snow, sand, bogs and mud. (Wikipedia)
Location: pacific beach, san diego, california, usa