Sunstar 420 Mxr Racing Chain
Sunstar 420 Mxr Racing Chain
Available in stock (5)
-
Estimated delivery: Feb 06 - Feb 10
About this product
About this product
The Sunstar 420 MXR off-road racing chain is engineered for high-performance mini off-road and motocross machines. Featuring deep gold side plates and inner plates, this chain not only looks great but also delivers exceptional strength and durability where it counts. Upgrade your bike with a chain designed for the rigors of racing.
Description
This super-strong and lightweight 420 chain from Sunstar Sprockets is designed to maximize power transfer and reduce weight. The 420 MXR chain utilizes TST (TripStar Treated) ultra-hard pins and 100% heat-treated components, ensuring superior strength and longevity. Seamless rollers and bushings further enhance the chain's lifespan and durability, making it a reliable choice for demanding off-road conditions. The clip-type connecting link allows for easy installation and maintenance. Ideal for bikes with a maximum engine displacement of 125cc (off-road) or 150cc (street).
Features & highlights
- Enhanced aesthetics with deep gold side and inner plates.
- Optimized for racing: Super-strong and lightweight design.
- Superior durability: TST (TripStar Treated) ultra-hard pins and 100% heat-treated components.
- Easy installation and maintenance with clip-type connecting link.
- Robust construction with seamless rollers and bushings for extended life.
- Designed for mini off-road and motocross machines.
Technical specifications
- Brand: Sunstar Sprockets
- Product Name: Drive Chain
- Chain Size: 420
- Chain Type: 420 MXR
- Color/Finish: Gold
- Master Link Connector Type: Clip
- Material: Steel
- Maximum Engine Displacement (Off-road): 125 cc
- Maximum Engine Displacement (Street): 150 cc
- Number of Links: 126
- Seal Type: Non-Seal
- Tensile Strength: 22.2 kN (4982 lb)
- Weight: 0.79 kg/100 Links
Important to know
Always ensure proper chain tension and lubrication for optimal performance and longevity. Professional installation is recommended.
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
SUNSTAR SPROCKETS
SS420MXR-126G
Drive Chain
0,79 kg/100 Links
22,2 kN (4982 lb)
Non-Seal
126
150 cc
Steel
Clip
420 MXR
420
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.

