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.
420MXZ chains are made for the serious Motocross racer looking for the lightest, strongest Non O-ring Chain. 420MXZ chains feature Chromoly 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 lbs., the 420MXZ 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 lbs/Ft: 5000lbs/ft. Masterlink Type: Clip. Weight in Lbs per 100 Links: 1.76lbs. Max 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..
This RK Racing chain is a solid choice for anyone needing a non-O-ring option. The 420 series steel feels tough, and the connecting link made installation straightforward. I’ve used it for a few rides now, and it holds up well.
A
Aisha Patel
Good but needed some adjustments
The RK Racing chain is strong and durable, but I had a bit of trouble getting it set up correctly. It didn't come with clear instructions, and I had to tweak it a few times. Still, once I got it right, it works great on my SX bike!
E
Emily Thompson
Great Upgrade for My MX Bike
Switched to the RK Racing 420MXZ chain and it feels like my bike has a new lease on life! The heavy-duty build is impressive and it performs beautifully on tough terrains. Highly recommend for racers!
L
Liu Chen
Chain Stopped Working After a Few Rides
I was really disappointed with this RK Racing chain. It seemed fine at first, but it started skipping after just a couple of rides. I was hoping for better durability out of a heavy-duty model. Not worth the investment in my case.
C
Carlos Gomez
Robust Chain for My Dirt Bike
I installed the RK Racing 420MXZ chain on my motocross bike and it's made a noticeable difference in performance. The heavy-duty steel construction feels super solid, and the 88 links give me the length I need. Definitely happy with this purchase!
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Is the shipping free?
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.