Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
GB420MXZ chains are made for the serious motocross racer looking for the lightest, strongest non O-ring chain. GB420MXZ 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. GB420MXZ 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. Pin length in mm: 15.7mm. Maximum wear life index: 300. Maximum tensile in pounds/feet: 5000 pounds/feet. Master link type: clip. Weight in pounds per 100 links: 1.76 pounds. Maximum cc: 150cc street/125cc off-road. 24.0 links per foot. 12.7mm pin to pin center. 000 miles of street riding or one year of off-road use..
The RK Racing gold chain is not just for looks—it performs exceptionally well in motocross. The 420 series is heavy-duty and withstands tough conditions. I’d buy it again for sure!
M
Marcus Chen
Really Strong Chain for Racing
I bought this RK Racing chain for my MX bike and it’s really holding up well during races. The 124 links fit perfectly, and the gold finish adds a stylish touch. Definitely feels heavy duty compared to my previous chains!
J
Jenna Lee
Good Chain, But Needs Care
The RK Racing 420MXZ chain is solid, but I had a minor issue with the connecting link. It took me a bit to get it to fit right. Once installed, it works great for motocross, but make sure to maintain it well!
C
Carlos Ramirez
Solid Performance on the Track
I've been using the RK Racing GB420MXZ chain for my dirt bike, and it's been fantastic. The gold color looks great and it feels durable. I've noticed improved acceleration right away, definitely a step up from my old chain!
S
Samantha Torres
Arrived Damaged, But Works
Unfortunately, the RK Racing chain arrived with some scratches, which was disappointing. Once I got it installed, it functions perfectly and feels very strong. Just wish it had better packaging for shipping!
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.