Ideal for OE replacement of mid-size motorcycle Lightweight and durable chain provides quick and smooth acceleration Designed with cutting edge technology from various on-road and off-road racing RK's original double-X-shaped "XW-Ring" seal provides exceptionally long chain wear-life Provides three lubricant pools, more than conventional O-rings for longer life Lubricated with specially formulated. vacuum-injected U-grease; locked in by tough Nitrile Butadine rubber XW-Ring Polished and shot-peened link plates High tensile strength ensures reliable performance Chains include rivet connecting link. CHAIN RK 520XRE-108
