What are the key features of a hefty bike and how do they contribute to its performance and durability?

A hefty bike typically has a sturdy frame, thick tires, and strong components. These features contribute to its performance by providing stability, durability, and the ability to handle rough terrain. The sturdy frame can withstand impact and support the rider's weight, while the thick tires offer better traction and shock absorption. Strong components, such as brakes and gears, ensure smooth operation and longevity. Overall, these key features make a hefty bike reliable and capable of handling challenging conditions.