XSO chains offer quality, performance and unbeatable value. Proprietary RX-ring seals with two lubrication barriers give XSO chains 1.5-2x longer wear life than standard O-ring chains. Available in natural or bright, shiny gold/gold finish. Suitable for 750cc max street or offroad use. Average tensile strength of 8,300 lbs. 520 x 112, Natural
