RK Chain Takasago Chain O-Ring 428SO

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.