Description This Mountain Bike Disc Brake is designed with bolt hole spacing, making it compatible with a wide range of mountain bikes. The disc provides exceptional braking power and stability, the practical design ensures a secure and reliable connection between the brake rotors and the wheel, enhancing safety during rides. Features -Color:Silver -Material:Metal -Size:11.00X11.00X0.50cm/4.32X4.32X0.20in - The hollow design helps the sediment and rainwater to be discharged quickly. - These disc brakes provide improved braking power, allowing for more efficient and effective stopping on bikes. - Even if the disc brake is pulled by the line, it can also cooperate with a good braking effect. - Manufactured with metal material, it has practical and high durability and practicality for usage. - Designed for easy installation with its user-friendly design, making it convenient for riders of all skill levels. The hollow design helps the sediment and rainwater to be discharged quickly. These disc brakes provide improved braking power, allowing for more efficient and effective stopping on bikes. Even if the disc brake is pulled by the line, it can also cooperate with a good braking effect. Manufactured with metal material, it has practical and high durability and practicality for usage. Designed for easy installation with its user-friendly design, making it convenient for riders of all skill levels.