Disc Brake Caliper Bracket with Clamping Ring 18-22mm
Grip ring is suitable for clamping 18-22mm
Offset bracket fitting allows you to install disc brakes on virtually any Bicycle [without welding].
International Standard (IS) bracket can be used on front or rear.
Clamping ring inner diameter: 0.71-0.87inch/18-22mm (adjustable)
Material: Black Steel
Thickness: .132inch, 3.4mm
NOTE: You must have a DISC HUB on your wheel
– a hub that can accept a disc brake / rotor in order to use this fitting.