RK GB420MXZ-104 Chain (420) Gold 104 Link Heavy Duty vs RK GB420MXZ-100 Racing Chain (420) Gold 100 Link
Key Differences
Product A is a non O-ring racing chain marketed as lightweight with chrome-moly and heat-treated parts and comes in a 100-link length; Product B is a heavy-duty 104-link variant that emphasizes the same chrome-moly and HIT heat-treated construction and lists a lower price tier. Choose A if you want the non O‑ring, lighter racing-specific 100-link option; choose B if you prefer the heavier-duty 104-link option at a more affordable listed price tier
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
Pros
- chrome-moly steel construction
- heat-treated components (HIT process)
- lightweight and strong for MX racing
- gold finish aesthetic
Cons
- mixed reports on durability
- some customers received missing parts
- non-O-ring design may affect longevity in dusty conditions
RK GB420MXZ-100 Racing Chain (420) Gold 100 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
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
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | RK Racing Chain |
| Durability | Tie |
| Versatility | RK Racing Chain |
| User Reviews | Tie |