PARTS UNLIMITED 520 O-Ring Series - Drive Chain - 90 Links PU520POX90L

If your bike originally came equipped with an O-ring chain, upgrading to the PARTS UNLIMITED 520 O-Ring Series gives you a direct performance improvement without compatibility concerns. You'll get 50% longer wear life than a stock O-ring chain and dramatically better durability than standard chains, which means fewer replacements and more time riding. The quad pin riveting, shot-peening, and pre-stretching process ensure consistent power delivery and reliable engagement with your sprockets, race after race.

• 520 pitch size
• 90 links total
• Quad pin riveting
• Solid bushings, rollers
• Tough O-ring seals
• Shot-peened construction
• Pre-stretched factory
• 1.5x O-ring chain life
• 12x standard chain life
• Made in Japan
• Direct bolt-on fit
• OEM-equivalent replacement