Avid/SRAM Disc 40mm IS Adaptor Fits 200mm Front / 180mm Rear Rotors with Bolts

Avid Disc Brake Adaptors.Includes Stainless BoltsHardware sold separately unless noted otherwiseItem SpecificationsRotor Size0mmCaliper Type74mm Post MountBrake Caliper Mount74mm PostFor Rotor DiameterFront 200,Rear 180 SRAM Post Mount Disc Brake Adaptor D