RK GB420MXZ-104 Chain (420) Gold 104 Link Heavy Duty
Non O-ring racing chain forged from chrome-moly steel with heat-treated components. Delivers solid performance and precise fit for MX/RD use; customers note good appearance and value, with some reporting occasional missing parts or durability concerns
Highlights
- heavy-duty 420-series chain
- HIT heat-treated components
- seamless rollers and bushings with oversized pins
Pros
- chrome-moly steel construction
- heat-treated components (HIT process)
- lightweight and strong for MX racing
- gold finish aesthetic
- includes master link in some packages
Cons
- mixed reports on durability
- some customers received missing parts
- non-O-ring design may affect longevity in dusty conditions
Best For
Features
- Chrome-moly steel construction with seamless rollers and bushings
- Oversized special alloy pins for added strength
- Heat-treated using RK's HIT process for durability
- Heavy-duty 420-series chain rated for up to 5000 ft-lbs tensile strength
- Suitable for professional-level 50cc to 125cc open class racing
