Top-quality long life chain series featuring outstanding wear resistance
Solid extended bushings and tough elastomer O rings seal a special vacuum injected grease into the critical pin/bushing areas
Gold outer plates with copper rollers
520 ORN6
Suitable for up to 600cc use
Average tensile strength of 7,644 lbs.
520 ORS6
Suitable for up to 750cc use
Average tensile strength of 8,093 lbs.
NOTE: All MSR/Regina chains are PRELOADED to increase fatigue strength and wear resistance, or PRESTRESSED to provide quick break in for minimal adjustments.