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SO O-Ring Motorcycle Chain Series

O-Ring Seal
Clip Connection Link
Rivet Connecting Link
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520SO O-Ring Chain

RK’s traditional round O-ring chain is a convenient blend of performance and affordability.  520SO chains are suitable for low to mid-range CC motorcycles that came from the factory with sealed chains. 520SO can be used for both on street and off-road up to 400ccs.

520SO chains will feature RK’s 20,000 warranty. See the warranty page for details.

  • Tensile Strength: 6,900 lbs
  • Max CC Rating: 400cc Street, 400cc Off-road/ATV
  • Weight: 3.39 lbs
  • Max Horsepower: 60 HP
  • Master Link Included: Clip/Rivet type
SO specifications chart

520SO chains are currently only available in Non-Gold.

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RK Motorcycle Chains