A track bike is a type of bicycle specifically designed for racing on a velodrome, which is an oval track. These bikes have a fixed gear, meaning the pedals are directly connected to the rear wheel, allowing for efficient power transfer. Track bikes typically lack brakes and have a lightweight frame to enhance speed and agility during races. Track bikes are used in various competitive events, including the Olympic Games and other cycling championships. The design focuses on aerodynamics and simplicity, making them distinct from road bikes, which are built for varied terrains and often feature multiple gears and brakes.