RK O-RING CHAIN
• High-quality pins, bushings and rollers for maximum durability
• All pins are 4 point riveted
• RK’s specialized U-grease provides lifetime internal lubrication
• Several chains feature “XW” type O-rings which provide better internal lubrication sealing for extended chain life
• All O-ring chains are backed by RK’s unbeatable 20,000 mile warranty
520XSO RX-RING CHAIN
• Suitable for 750cc max street or 750cc max offroad use
• Average tensile strength of 8,500 lbs.
