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RK Racing Chain GB420MXZ-132 (420 Series) Gold 132 Link Heavy Duty

RK Racing Chain ★ 4.0/5 · ItemOracle Score Mid-Range

$45 USD
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RK Racing Chain GB420MXZ-132 (420 Series) Gold 132 Link Heavy Duty MX/SX Racing Non O-Ring Chain with Connecting Link

Non O-ring racing chain with chrome-moly steel construction and heat-treated components. Noted for light weight and strength; includes a master link option noted by users

Highlights

  • non o-ring racing chain
  • GB420MXZ chrome-moly steel
  • HIT heat induction transfer treated

Pros

  • lightweight chrome-moly construction
  • heavy-duty 132-link chain
  • heat-treated components
  • seamless rollers and bushings
  • oversized alloy pins for strength

Cons

  • mixed feedback on master link inclusion
  • some reports of failure after extended use

Best For

  • motocross racing
  • high-performance dirt bike maintenance
  • top-tier MX/ SX racing setups
  • replacement chain for 420 series bikes
  • enthusiast-grade chain upgrade
  • heavy-duty touring on off-road bikes

Features

  • Chrome-moly steel construction with seamless rollers and bushings
  • Heavy-duty 132-link chain designed for MX racing non O-ring configuration
  • Heat-treated via RK's HIT process for enhanced durability
  • Oversized alloy pins increase chain strength for high-performance use
  • Maximum tensile strength rated at 5000 foot-pounds; weight 1.76 pounds

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