Features1Stainless Steel Material: Bike brake disc is made of stainless steel, lightweight and durable, rustproof, long service life. 2Stable Performance: Stainless steel bike brake disc has a sturdy structure, not easy to deform, no fading, stable in use and more exquisite in appearance. 3Multi Functional: Reduces the buildup of brake dust on the wheels, and air circulates around the brakes to help dissipate heat. 4Safe And Efficient: With ventilated disc brake system, the brakes are efficient and responsive, ensuring safer riding and can be used with confidence. 5Easy To Install: Replacement bike brake disk with matching screws, easy to install and use, suitable for most mountain bikes and road bikes.SpecificationItem Type: Bike Brake DiscMaterial: Stainless SteelSize: Approx. 180mm / 7.1inPackage List1 xBikeBrakeDisc7 x Screw