RK GB420MXZ-100 Racing Chain (420) Gold 100 Link vs RK Racing Chain GB420MXZ-140 (420 Series) Gold 140 Link Heavy Duty

Overall winner: RK Racing Chain GB420MXZ-140 (420 Series) Gold 140 Link Heavy Duty

Key Differences

Product A (B0022ZGBUO) is the lighter non O-ring GB420MXZ-100 100-link option and sits at a more affordable price tier; choose it when you want a lightweight racing chain and shorter length. Product B (B00BS8BZJ8) is the heavier-duty GB420MXZ-140 140-link offering with oversized alloy pins and similar heat-treated chrome-moly construction; pick it when you need added strength and a longer chain

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

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

RK Racing Chain • ★ 4.1/5 • Budget

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

Pros

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

Cons

  • mixed master link availability
  • some parts may be missing from package
Buy at Amazon →
RK Racing Chain GB420MXZ-140 (420 Series) Gold 140 Link Heavy Duty

RK Racing Chain GB420MXZ-140 (420 Series) Gold 140 Link Heavy Duty

RK Racing Chain • ★ 4.0/5 • Mid-Range

Gold 140-link non O-ring racing chain with chrome-moly steel construction and heat-treated components. Delivers solid strength and fit for serious motocross use, as noted by customers who value durability and performance

Pros

  • heavy-duty non O-ring construction
  • chrome-moly steel with heat-treated components
  • oversized alloy pins for added strength
  • seamless rollers and bushings

Cons

  • mixed feedback on master link inclusion
Check current price on Amazon →

Head-to-Head

CriteriaWinner
Price RK Racing Chain
Durability RK Racing Chain
Versatility RK Racing Chain
User Reviews Tie