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.
GB520MXU is the lightest sealed-ring motocross chain available on the market today. Made for the professional motocross racer, GB520MXU is the next generation of motocross racing chains featuring RK's new UW-sealing rings. MXU chains are designed to provide the most consistent power delivery and increased chain life. All components are heat treated using RK's exclusive HIT (Heat Induction Transfer) process. GB520MXU has a maximum tensile strength rated at 9,000 foot pounds, weighs a mere 3.0 pounds for 100 links and can handle any MX race application from 125 to 500ccs. Pin length in mm: 18mm. Maximum wear life index: 600. Maximum tensile in pounds/feet: 9000 pounds/feet. Master link type: clip. Weight in pounds per 100 links: 3.1 pounds. Maximum cc: NA-street/500cc off-road. 19.2 links per foot. 15.875mm pin to pin center. 000 miles of street riding or one year of off-road use..
The RK Racing GB520MXU chain has great performance, but I struggled a bit during the installation. The instructions weren't super clear, and it took me a while to get it right. Once it was on, though, it performed well for off-road riding.
F
Fatimah Zahra
Chain arrived damaged, not happy
I received the RK Racing chain with a couple of bent links, which was really disappointing. I had to return it and wait for a replacement. The chain looks solid otherwise, but quality control needs a bit of work.
J
Juan Carlos Romero
Awesome upgrade for my ATV!
I recently installed the RK Racing GB520MXU chain on my ATV, and wow, the performance is amazing. The gold finish looks slick and it fits perfectly in the narrow clearance. Really feels like my ride is more powerful now!
M
Marco Silva
Perfect for my dirt bike needs
The RK Racing GB520MXU chain works great on my dirt bike! It's durable and performs well on tough terrain. Installation was straightforward, so I had no issues getting it set up. Definitely worth the investment!
T
Tasha Greene
Chain is decent, but expected more
While the RK Racing GB520MXU chain is decent, I was hoping for a bit more durability for the price. It’s good for casual riding but not sure how it will hold up in serious racing. The color is nice, though!
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.