fits model: Mxr, 420.

( Brand: Sunstar Sprockets ), ( Manufacturer Part Number: SS420MXR-126 ), ( Part Type: Chain Work ), ( Color: Gold ), ( Warranty Details: See Manufacturer ), ( UPC: 840019102889 )
The Sunstar Sprockets SS420MXR-126 420 MXR chain is a high-performance, roller chain designed for heavy-duty industrial applications. With a length of 126 links, it is an excellent choice for power transmission systems that require robust and reliable chain performance.
The SS420MXR chain is manufactured using high-quality materials, including chrome-plated rollers and pins for increased durability and resistance to wear. The rollers are precision-machined to ensure a smooth running surface, reducing friction and maintaining efficient power transfer.
The pins are heat-treated for added strength, and the chain is constructed using a manganese phosphate-coated wire rope: a high-tensile steel cable with exceptional strength and flexibility. This coating inhibits corrosion and enhances the chain's resistance to wear and tear caused by exposure to harsh environments.
The 420 MXR chain is engineered for high power applications with a pitch diameter of 35.56 mm and a working pitch of 11.28 mm. It has a maximum tensile strength of 11,000 psi (75.8 MPa) and is suitable for applications with a maximum conveyor belt speed of up to 6.3 meters per second (14,200 feet per minute).
The 420 MXR chain comes equipped with O-ring links, ensuring effective sealing and lubrication for improved operational efficiency and reduced maintenance requirements. The chain is also compatible with a variety of belt and sprocket configurations, making it a versatile solution for various power transmission systems.
In conclusion, the Sunstar Sprockets SS420MXR-126 420 MXR chain is a premium choice for industrial power transmission applications. Its high-quality construction, durable materials, and reliable performance make it an excellent investment for systems requiring efficient power transfer and long-lasting durability.
Sunstar's SS420MXR-126 420MXR chain is a popular choice for those looking for a high-performance and durable chain for their off-road bikes or ATVs. Here are some pros and cons to consider before making a purchase.
Pros:1. High-performance: The SS420MXR-126 chain is designed for high-performance off-road riding. It offers improved strength and durability compared to OEM chains, making it ideal for rough terrain and demanding riding conditions.
2. Precision Manufacturing: Sunstar uses precision manufacturing techniques to ensure that every link and roller in the chain is perfectly aligned. This leads to smoother operation and reduced wear and tear.
3. Longer Chain Life: Due to its precision manufacturing and high-strength materials, the SS420MXR-126 chain can last longer than an OEM chain. This translates to fewer replacement costs over time.
4. Quieter Operation: The SS420MXR-126 chain is known for its quiet operation, which is a significant advantage for off-road riders who want to minimize noise when riding in remote areas.
5. Sealed Slider Bushings: The sealed slider bushings on this chain provide an extra layer of protection against dirt and debris, reducing the need for frequent maintenance and keeping the chain running smoothly.
Cons:1. Higher Cost: The SS420MXR-126 chain is more expensive than a standard OEM chain. However, the increased cost is often offset by the longer lifespan and improved performance.
2. Not Ideal for Street Use: This chain is specifically designed for off-road use, and it may not perform optimally on the street. If you plan on riding on pavement, you may want to consider a different type of chain.
3. May Require Specific Installation Tools: Depending on the make and model of your off-road vehicle, you may need specific tools to install the SS420MXR-126 chain. Be sure to check the manufacturer's instructions before making a purchase.
Conclusion:The Sunstar SS420MXR-126 420MXR chain offers many advantages for off-road riders, including improved performance, longer lifespan, and quieter operation. While it comes with a higher cost than a standard OEM chain, the investment can pay off in the long run. If you're looking for a dependable and durable chain for your off-road vehicle, the SS420MXR-126 is a great option. Just be sure to check that it's compatible with your specific make and model, and that you have the necessary installation tools.
Recommendation:If you're in the market for an off-road chain and are looking for a high-performance and durable option, the Sunstar SS420MXR-126 420MXR chain is a great choice. Its precision manufacturing techniques, long-lasting materials, and quiet operation make it a popular choice among off-road enthusiasts. Just be prepared for the higher cost and potential need for specific installation tools.
Sunstar 420 MXR Works Chain 126 Links: Deep gold side plates and inner. Chain Master Link. Utilizes TST Triple Star Treated ultra-hard pins and 100% heat treated components for high strength durability. Uses clip type connecting link.
Super strong and lightweight design for high performance/racing mini off road motocross machines. Country of Origin. Seamless rollers and bushings help provide the added life durability 420 chain achieves tensile strength of 4970 lbs/ft while 428 has 5760.