Product Name | Motorcycle Gear & Chain Kit 420 428 520 525 530 |
Material | Alloy Steel |
Chain NO | 420 428 520 525 530 |
Pitch (mm) | 12.7 |
Bush Type | Solid |
Width(mm) | 7.85 |
Pin Dia.(mm) | 4.45 |
Pin Length(mm) | 19.05 |
Roller Dia(mm) | 8.51 |
Plate Thickness Inner(mm) | 1.96 |
Plate Thickness Outer(mm) | 1.96 |
Tensile Strength(kn) | 20.6 |
Weight(kg/m) | 0.85 |
The SFR Super O-Ring Chain is a marvel of modern engineering, meticulously crafted to meet the rigorous demands of high-performance motorcycling. This lightweight yet robust chain features exceptional sealing capabilities that ensure maximum durability, all while reducing both width and weight. With its optimized O-ring design, it triumphs over traditional sealing chains by delivering a phenomenal 150% increase in lifespan compared to standard O-ring chains.

Available in striking color configurations, you can choose from a sophisticated silver outer paired with a sleek black inner, or opt for the luxurious golden outer with a stylish black inner. Elevate your ride with a touch of personalized flair. High wear-resistance ensures unparalleled longevity, making this chain kit a standout choice for durability and reliability. Experience hassle-free rides with our maintenance-free lubrication system, combined with cost-effective O-rings for the perfect blend of top-tier performance and economic efficiency.





The Semi-Automatic PET Bottle Blowing Machine, also recognized as the Bottle Making Machine and Bottle Moulding Machine, stands as the pinnacle of innovation for crafting PET plastic containers and bottles in diverse shapes. This cutting-edge PET Bottle Making Machine guarantees unparalleled precision and efficiency, establishing it as the quintessential choice for all your production requirements.




SELECTION & INSTALLATION
SELECTION & INSTALLATION
2. Cut the old chain at its joint part. If your motorcycle uses an endless chain or a chain with a Rivet type connecting link (ZJ), use the SFR Cutting & Riveting Tool or a comparable cutting tool.
3. Attach the new chain to the end of the old one using a new connecting link. Rotate the rear wheel to position the new chain correctly (refer to Fig. A).


Motorcycle Chain Handling Instructions
With rigorous quality controls, we consistently strive to surpass our customers' expectations regarding both quality and service. Our products are proudly distributed to over 80 countries, catering to industries that require moving, conveying, lifting, or transmitting power.







Our Services & Strength
Boasting a monthly production output exceeding 2.2 million pieces, SFR motorcycle chains stand as the bedrock of our group. As one of the world's premier manufacturers of motorcycle chains, we proudly serve some of the most prominent brands in the automotive sector. Our extensive range ensures a perfect chain for every power and application, from urban mopeds and high-powered racing motorbikes to dirt bikes and ATV quads.This extensive innovation and technical mastery empower us to provide the most comprehensive range of power transmission and conveyor chains at exceptionally competitive prices. At SFR Chain, we are steadfast in our commitment to integrity, efficiency, and innovation. Our guiding philosophy is simple yet profound: "We strive to offer the best products and service to our customers, ensuring their utmost satisfaction."