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• Adaptor Only, Rotor not included
• Adaptor mounting hardware included
• Adapters are listed asRotor Size / Caliper Fit / Bike Mount Fit / Fork or Frame Fit
• Example:
• F-180mm, R-160 / 74mm / 51mm / Fork/Frame IS
• Rotor size = 180mm Front or 160mm Rear
• Caliper Fit = 74mm PM
• Bike Mount Fit = 51mm IS
• IS = International Standard
• PM= 74mm Post Mount

Genuine 74mm Formula disc brake adapter with included mounting hardware.