Rk 420 Mxz4 Drive Chain - High-performance
Rk 420 Mxz4 Drive Chain - High-performance
Available in stock (10)
-
Estimated delivery: Feb 04 - Feb 08
About this product
About this product
The RK 420 MXZ4 drive chain is engineered for superior performance in demanding MX and SX riding conditions. Built with robust materials and precise construction, this chain delivers exceptional strength and reliability.
Description
Dominate the track with the RK 420 MXZ4 drive chain. Specifically designed for Supercross and motocross applications, this chain provides the durability and power transfer needed to excel. The chromoly steel construction, combined with seamless rollers and bushings, ensures smooth operation and extended wear life. Oversized, special alloy pins further enhance the chain's strength, making it capable of withstanding the intense stresses of off-road racing. With a tensile strength of 22.2 kN (4982 lb), the RK 420 MXZ4 delivers uncompromising performance for engines up to 150cc.
Features & highlights
- Engineered for MX and SX Supercross riding.
- Constructed from high-strength chromoly steel for maximum durability.
- Features seamless rollers and bushings for smooth, efficient power transfer.
- Oversized special alloy pins provide added strength and resistance to wear.
- Offers exceptional tensile strength of 22.2 kN (4982 lb) for reliable performance.
- Designed to withstand the demanding conditions of off-road racing.
Technical specifications
- Brand: RK
- Product Name: Drive Chain
- Chain Type: 420 MXZ4
- Chain Size: 420
- Number of Links: 140
- Master Link Connector Type: Clip
- Seal Type: Non-Seal
- Material: Steel
- Color/Finish: Black, Gold
- Maximum Engine Displacement (Offroad): 150 cc
- Tensile Strength: 22.2 kN (4982 lb)
- Weight: 0.83 kg/100 Links
Important to know
Ensure compatibility with your motorcycle's specifications before 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
GB420MXZ4-140CL
Drive Chain
0,83 kg/100 Links
22,2 kN (4982 lb)
Non-Seal
140
Steel
Clip
420 MXZ4
420
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.

