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RK GB420MXZ-100 Racing Chain (420) Gold 100 Link

RK Racing Chain ★ 4.1/5 · ItemOracle Score Budget

$39 USD
Price subject to change
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RK Racing Chain GB420MXZ-100 (420 Series) Gold 100 Link Heavy Duty MX/SX Racing Non O-Ring Chain with Connecting Link

Lightweight non O-ring racing chain with chrome-moly steel construction and heat-treated components. Customers note solid durability, good fit, and value for money

Highlights

  • lightest non O-ring MX/SX chain
  • seamless rollers and bushings
  • exclusive HIT heat-treatment process

Pros

  • lightweight non O-ring design
  • chrome-moly steel construction
  • heat-treated components
  • oversized alloy pins for strength
  • solid durability

Cons

  • mixed master link availability
  • some parts may be missing from package

Best For

  • motocross racing
  • trail/enduro bikes
  • high-performance street bikes
  • improvised race setups
  • replacement chain for MX/SX builds
  • custom bike builds

Features

  • Chrome-moly steel construction with seamless rollers and bushings for durability
  • Oversized special alloy pins enhance chain strength for MX/SX racing
  • HIT (Heat Induction Transfer) process heat-treats all components for longevity
  • Non O-ring design provides light weight; 5000 ft-lb tensile strength
  • 100-link GB420MXZ chain suited for professional level 50cc to 125cc open class racing

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