Clutch Plate Fibres Fits BMW R 65 1. Serie 78-93 TRW Disc Mcc600 1pc 3322937094097. Model Number: MCC600. Function of Clutch Plate Fibres on R 65 1. Serie: The primary function of clutch plate fibres is to provide the necessary friction for the clutch plates to grip and release properly, allowing R 65 1.