Renthal 520 R3-2 O-Ring Chain - Motocross gear dirtbike boots EVS Warp 9 motorcross

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Upgraded version of Renthal's R-3 O-ring chain.
10% increase in chain wear life.
15% greater shock-pin resistance and roller-fatigue strength.
7% greater overall fatigue strength.
Same weight as the original R-3 chain.
Nitrile O-rings which retain a special vacuum-injected grease around the pin and bushing area.
High-carbon alloy steel pins, solid bushings and rollers, and shot peening of plates and rollers for increased fatigue resistance.
Average tensile strength is 7,644 lb.
Master Link included

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