ITEM NAME:18-22mm Adjustable Bicycle Disc Brake Bracket Mounting Holder For Bike Bicycle Descriptio n Description: 100% brand new and high quality Useful and practical Refitting bracket can refit normal bicycle to updated into disc brake bicycle A necessity for cyclists Specifications: Role: can be converted into ordinary bicycle disc brakes bicycle Colour: Black Material: Metal Clamping ring inner diameter: 0.71-0.87inch/18-22mm (adjustable) Mounting hole diameter: 0.24inch/6mm With model 160 disc brake pad Package included: 1xBrake bracket Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! 18-22mm Adjustable Bicycle Disc Brake Bracket Mounting Holder For Bike Bicycle.Refitting bracket can refit normal bicycle to updated into disc brake bicycle. Role: can be converted into ordinary bicycle disc brakes bicycle. We'd like to settle any problem in a friendly manner. 1xBrake bracket.