The braking system of the Suzuki Gixxer SF 250 features disc brakes in the front and rear, which provide excellent stopping power and control. The bike also features an anti-lock braking system (ABS) that helps to prevent skidding and improves overall safety on the road. The braking system contributes to the bike's performance by providing excellent control and stopping power, while also improving its overall design by incorporating sleek and lightweight components.