... friction coefficient, high-speed but non-skid.2. In addition to common products, here are models abroad.We supply many types ... ,piston,piston ring,carburetor,carburetor repairing kit,startor,connecting rod,clutch,brake shoe,brake pad and aslo tyres,belts,shock absorbers ... Taiwan brand SHENG-E and Earth-S. Motorcycle Parts/Motorcycle Clutch Plate Friction(F-048)