PARTS UNLIMITED 520 O-Ring Series Drive Chain 106 Links PU520POX106L

Features quad pin riveting, solid bushings and rollers, and tough O-ring seals, Shot-peened and pre-stretched, Recommended for motorcycles originally equipped with O-ring chains, Provides 1-1/2 times longer wear life than an O-ring chain and 12 times longer wear life than a standard chain, Made in Japan