

🏁 Dominate the track with the gold standard in MX chains!
The RK Racing Chain GB420MXZ-100 is a premium, non O-ring motocross chain crafted from chrome-moly steel with oversized alloy pins and seamless rollers. Heat-treated with RK’s exclusive HIT process, it boasts a maximum tensile strength of 5000 foot-pounds while weighing only 1.76 pounds per 100 links. Engineered for professional 50cc to 125cc MX/SX racing, it offers unmatched durability, lightweight performance, and superior wear resistance.

| Manufacturer | RK Racing Chain |
| Brand | RK Racing Chain |
| Model | GB420MXZ-100 |
| Product Dimensions | 21.08 x 8.89 x 2.03 cm; 821 g |
| Item model number | GB420MXZ-100 |
| Manufacturer Part Number | GB420MXZ-100 |
| Item Weight | 821 g |
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