BAZHOU Disc Brake Adapter, Bike Disc Brake Adapter Converter, Metal Bicycle Disc Brake Clamp Mounting Holder for Converting Disc Brake Bicycle and Normal Bicycle [Modified Bicycle]: This brake bracket adapter is mainly to help convert ordinary bicycles into disc brake bicycles, and improve the flexibility of riding [Modification Range]: The maximum installation diameter of this disc brake bracket adapter is 8.66inch, you can buy it according to your needs [Quality Material]: This bicycle disc brake mounting adapter is made of high-quality and durable aluminum alloy, which has high strength, wear-resistance, and durability Colour: Black Size: as shown Quantity: 1pc Kind tips: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding. 3. Only the above package contents, excluding other products.