Renthal’s R3-2 O-ring chain

• Upgraded version of Renthal’s R3 chain
• 10% increase in chain wear life
• 7% greater overall fatigue strength
• Nitrile ‘O’ Rings extend chain life by retaining special  vacuum injected grease inside the chain joint
• Shot-peened alloy steel side plates for high tensile  strength and maximum impact load resistance
• High carbon alloy steel bearing pins for excellent  resistance to wear
• Gold coloured side plates help prevent corrosion
• Pre stretched to enhance performance of the chain
• Master link included
  
• Average tensile strength is 7,644 lb