Compatible with Halo Carbaura RC Carbon wheels.Black Prince pads use the latest carbon rim compound and provides superior power, control and modulation. Braking distances are significantly reduced in all conditions. Safety Note: If you are considering using these pads on other Carbon rims, please ensure the compound meets the compatibility and warranty requirements of your wheels.Supplied as 2 pairs of pads only, to fit Shimano Dura Ace/Ultegra/105/Sram/TRP shoes.