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RK Racing Chain M520HD-120 (520 Series) 120-Links Chain

RK Racing Chain ★ 3.7/5 · ItemOracle Score Mid-Range

$52 USD
Price subject to change
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RK Racing Chain M520HD-120 (520 Series) 120-Links Standard Non O-Ring Chain with Connecting Link

RKM M520HD-120 chain with pre-stressed, pre-stretched design and two-point riveted pins. Customers cite good fit and value, with some durability concerns including master link failure and rust

Highlights

  • two-point riveted pins
  • pre-stressed and pre-stretched
  • clip master link design

Pros

  • pre-stressed and pre-stretched for better performance
  • two-point riveted pins and curled bushings
  • high tensile potential and standard non-O-ring design
  • mid-weight 120-links chain with master clip link

Cons

  • master link may fall apart
  • rust risk and stretch reported by some users

Best For

  • street bike chains
  • off-road motorcycle chains
  • high-tension chain applications
  • maintenance-friendly replacement chains
  • standard 520-series chains for lightweight setups
  • longer runtime with regular adjustments

Features

  • Made in Malaysia using Japanese steel for reliability
  • Two-point riveted pins and curled bushings meet Japanese specs
  • Pre-stressed and pre-stretched for reduced adjustment needs
  • Max tensile 7700 pounds/feet; weight 3.65 pounds per 100 links
  • Master link type clip; 19.2 links per foot; 15.875 mm pin-to-pin center

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