On a sport bike, approximately what percentage of total stopping power is provided by the rear brake?

On a sport bike, the rear brake typically provides about 10 percent of the total stopping power. This percentage reflects the role each brake plays in stopping the motorcycle effectively. The majority of stopping power is generally provided by the front brake, which is more effective due to the weight transfer that occurs during braking. When a motorcycle slows down, weight shifts forward, increasing the load on the front tire, which enhances traction and allows the front brake to generate more stopping force.

While the rear brake does play an important role, especially in maintaining balance and stability, its contribution to overall stopping power is relatively minor compared to the front brake. This is why riders are encouraged to primarily use the front brake for more effective stopping while using the rear brake to complement the process and maintain control of the bike. In scenarios where the stopping power breakdown is critical, understanding this distribution helps in developing safer riding techniques.