As part of their continuing quality improvement program, the RK Chain Factory has made a running production upgrade to their best selling 520XSO chain. The 520XSO chain features RK's proprietary "RX-Ring" seal design and is offered in 520, 525 and 530. Viewed in cross-section, the RK "RX-Ring" has two lubrication pools and seal points versus the single seal point / pool design of a regular O-ring chain. RK's new GBXSO chains offer quality, performance and unbeatable value, for all but the most demanding high performance applications.
- High-performing, durable chain that will last five to eight times longer than your standard motorcycle chain.
- Constructed from polished, shot-peened alloy steel providing high tensile strength for maximum performance.
- RK RX-ring seals are made from an advanced Nitrile Butadiene composite for maximum performance and wear life.
- Side plate treatment helps prevent corrosion.
- Designed to make any motorcycle look stylish.
- Average tensile strength of 8,500 pounds.
- Wear life index: 750.
- Maximum displacement (street / dirt): 750cc / 750cc.
- Weight (per 100 links): 3.36 pounds.
- Includes a rivet-style master link.
