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RK Racing Chain 420MXZ-138 (420 Series) Steel 138 Link Heavy Duty MX/SX Racing Non O-Ring Chain with Connecting Link
✅ In stock
📉 Price recently dropped
C
Grade
Analysis Confidence
85%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 21, 2026 5:50 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
🙂 Fair Price- 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
- 💰The price is modestly below what this product ordinarily sells for.
- 📉No lower price has surfaced in the past twelve months, making this one of the standout deals in recent memory.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
4.59/28
Recent Value
0/22
Market Standing
15.18/20
Deal Strength
16/20
Momentum
10/10
📝 Product Overview
🚚 Shipping
Free Shipping
Product Details
✓420MXZ chains are made for the serious motocross racer looking for the lightest, strongest non O-ring chain
✓420MXZ chains feature chrome-moly steel construction with seamless rollers and bushings, and oversized special alloy pins for added strength
✓All components are heat-treated using RK's exclusive HIT (Heat Induction Transfer) process
✓420MXZ racing chains are the strongest in their class giving you the best value-performance rating of any MX racing chain in the world today
✓With a maximum tensile strength rated at 5000 foot pounds and weighing in at only 1.76 pounds, the GB420MXZ is ideal for professional level 50cc to 125cc open class racing
⚙️ Specifications
Load Capacity
6779 lbf (tensile)
Brand
RK Racing Chain
Item Pitch
12.7 millimeters
Material
Alloy Steel
Specification Met
ANSI B29.1
UPC
681319417750
Strand Type
Single
Global Trade Identification Number
00681319417750
Manufacturer
RK Racing Chain
Model
420MXZ-138
Item Weight
16 ounces
