RK 520SO Standard O-Ring Chain

• RK offers the best O-ring chains in the industry. All RK O-ring chains are constructed of hi-carbon alloy steel for strength and durability.

  RK utilizes Nitrite Butadiene O-rings to seal in lubrication and deliver smooth power with no O-ring drag or loss of horsepower.

  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
  • 520 SO

FITMENT: FULL SIZE UNIVERSAL 125-501