RK 525XSO motorcycle chains are manufactured from heat-treated, high-carbon alloy steel. These chains feature seamless rollers, shouldered bushings, and use nitrile butadiene seals for maximum performance and wear life. RK 525XSO chains incorporate RK's RX-ring design. Their RX-ring design has two lubrication pools and seal points, versus the single-lubrication/seal point design of standard O-ring chains. These chains are pre-stressed and heat-treated for maximum wear life and performance. RK 525XSO chains offer quality, performance, and an unbeatable value for all of your high performance applications.
Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles