A hybrid bike is a versatile bicycle that combines features from both road bikes and mountain bikes. It typically has a lightweight frame, smooth tires for efficient riding on pavement, and a comfortable seating position. This design makes it suitable for various terrains, including city streets and light trails. Hybrid bikes often come with additional features like fenders and rack mounts, making them practical for commuting and carrying cargo. They usually have a wide range of gears, allowing riders to tackle different inclines and speeds easily. Overall, hybrid bikes are ideal for casual riders seeking comfort and adaptability.