Rk 520 Mxu Drive Chain - High-performance
Rk 520 Mxu Drive Chain - High-performance
Available in stock (12)
-
Estimated delivery: Feb 04 - Feb 08
About this product
About this product
The RK 520 MXU Drive Chain is engineered for professional motocross racers demanding peak performance. This chain delivers consistent power and extended life, making it ideal for competitive environments. Experience the difference that quality and precision engineering make.
Description
The RK 520 MXU drive chain stands out as the lightest sealed-ring MX chain available, designed specifically for the rigors of motocross racing. Suitable for 125cc to 500cc engines, this chain is pre-stressed and pre-stretched to ensure equal load distribution and minimal maintenance. Constructed from the highest grade medium carbon alloy steel, every component is shot-peened and heat-treated for maximum durability and performance. The UW-Ring seal design further enhances chain life and reduces friction, translating to consistent power delivery and superior reliability on the track. Installation is straightforward with the included clip-type connecting link.
Features & highlights
- Experience consistent power delivery with extended chain life.
- Lightest sealed-ring MX chain on the market for reduced rotating mass.
- Constructed from high-grade medium carbon alloy steel for exceptional strength.
- Pre-stressed and pre-stretched for equal load distribution and minimal maintenance.
- Suitable for race applications between 125cc and 500cc.
- Includes clip connecting link for easy installation.
- UW-Ring seals provide superior lubrication and protection.
Technical specifications
- Brand: RK
- Chain Size: 520
- Chain Type: 520 MXU
- Color/Finish: Gold
- Master Link Connector Type: Clip
- Material: Steel
- Maximum Engine Displacement (Offroad): 500 cc
- Number of Links: 112
- Seal Type: UW-Ring
- Tensile Strength: 40 kN (8999 lb)
- Weight: 1.41 kg/100 Links
Important to know
This chain includes a clip connecting link for easy installation.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
RK
GB520MXU-112-CL
Drive Chain
1,41 kg/100 Links
40 kN (8999 lb)
UW-Ring
112
Steel
Clip
520 MXU
520
Chain
Each


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

