Renthal Works 520 R4 O-ring Chain. The chain is incredibly strong with a low weight and a long service life that provides maximum riding force. Designed as a versatile chain to apply to both off-road and off-road riding up to 650cc.
Alloy steel side plates for high tensile strength and maximum load resistance. Nitrile O-rings which retain the special vacuum-injected grease around the critical rivet and bushing area. Alloy steel chain rivets for superior wear resistance.
Special finish: Gold-coloured side plates and copper-coloured rollers to prevent corrosion.










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