'O' RING CHAIN

• Constructed from high carbon alloy steel for strength and durability
• Seals in lubrication, delivering smooth power with no 'O' ring drag

All RK chains are pre-stressed and pre-stretched to ensure equal load distribution and minimal maintenance.

They're made of the highest grade medium carbon alloy steel available, with all components shot-peened and heat-treated

Features:

• Features a flat contact patch that holds the lubrication in place, resulting in a smooth transfer of power
• Three times the wear life of a standard non O-ring chain
• Strongest, lightest, quietest, most durable RK chain available
• Eight times the wear of standard chain
• Designed to handle the ever-increasing horsepower ratings of today's bikes
• 630 SO