Package: Includes 2 x bicycle disc mounts; the mount can refit the normal bike into a disc brake bike; installation diameter - 22mm/0.87inch. High Quality: The disc brake mount is made of high quality stainless steel, which makes it durable, sturdy and anti-deformation with exquisite design. It is easy to install and detach, suitable for most bikes. Convenient to Use: The refitting bracket is easy to install and use, no need for complicated tools, the bike mount is not only able to fit the normal bike, but also suitable for the disc brake bike, making it convenient to use. High Performance: The mount can turn an ordinary bike into a disc brake bike, giving you a new riding experience. The bike mount can be converted into an ordinary bike disc brake, which is convenient to use. Applications: The bike mounting bracket gives you a new riding experience, suitable for many kinds of bikes: bmx, mtb, mountain bike, etc. - The refitting bracket can refit the normal bike to disc brake bike. - Suitable for any type of bike: bmx, mtb, mountain bike, etc. - Note: Only compatible with disc brake pads Specifications: Material: Steel Color: Black Size: The inner diameter of the modified ring: 22mm / 0.87inch Package Content: 2 x Bike Disc Brackets Please note: Due to manual measurement, there may be an error of 0-1 cm. The color displayed in the picture may not be totally the same as the actual item due to the shooting method and display device.