Features1ALUMINUM ALLOY: The disc brake adapter is made of aluminum alloy, which is sturdy and strong for long time use; it is suitable for mountain road cycling and so on. 2FIT FRAME: Disc brake adapter can be used on frames without disc brake seat. After installation, you can install disc brake and it can be converted to normal disc brake. 3APPLICATION: The conversion bracket upgrades a normal brake to a tripod disc brake, you can convert old V brakes to disc brakes. modification accessory, a necessity for cyclists. 4EASY TO INSTALL: CNC integrated molding process, the disc brake converter mounting adapter has a simple structure, professional and practical design, easy to install, easy to use. 5NOTE: Before purchasing, please make sure the position of the rear end hook of your frame, the size of the triangle area of the plane is similar to the size in the picture, if the difference is far, please do not buy it, so as not to install it.SpecificationItem Type:DiscBrakeAdapterMaterial: Aluminum AlloyPackage List1 xDiscBrakeAdapter