Adjustable Disc Bicycle Brake Adapter Bracket With Bicycle Seatposts Clamp Frame Adaptor Mount

Feature: Useful and practical. A necessity for cyclists. Refitting bracket can refit normal bicycle to updated into disc brake bicycle. Can be converted into ordinary bicycle disc brakes bicycle. Specifications: Colour: Black Material: Metal Maximum installation diameter: 22MM 8.66inch,31.8MM 12.51inch(Optional) Two hole distance: 51MM 2.01inch Thickness: 4MM 0.15inch With model 160 disc brake pad Crank Weight : Approx. 73g Package included: 1 x Brake bracket .