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 epitomizes cutting-edge engineering. This lightweight, high-performance sealing chain maximizes strength while significantly reducing width and weight. The advanced O-ring technology surpasses the limitations of standard sealing chains, delivering an extraordinary 150% increase in lifespan compared to conventional O-rings.



Choose from our elegant color configurations: Silver outer with black inner, or Golden outer with black inner. Each option offers a striking visual appeal. Engineered for ultimate durability, our chain is highly wear-resistant, requiring minimal maintenance thanks to its maintenance-free lubrication and cost-effective O-rings.




Our state-of-the-art Semi-Automatic PET Bottle Blowing Machine is a marvel of modern engineering, designed specifically for crafting PET plastic containers and bottles in an array of shapes and sizes. This Bottle Making Machine, also known as the Bottle Moulding Machine, offers unparalleled efficiency and precision, making it the ideal solution for all your PET bottle production needs.




SELECTION & INSTALLATION
SELECTION & INSTALLATION
2. Cut the old chain at its joint part. If your motorcycle is equipped with an endless chain or a chain with a Rivet type connecting link (ZJ), utilize the SFR Cutting & Riveting Tool or a similar cutting tool.
3. Fit the new chain to the end of the old one using a new connecting link. By turning the rear wheel, the new chain will move into position (Fig. A).


Motorcycle Chain Handling Instructions
With stringent quality controls, we strive to exceed our customers' expectations in both quality and service. Our products are sold in over 80 countries, catering to every industry that requires moving, conveying, lifting, or transmitting power.







Our Services & Strength
With a remarkable monthly production output exceeding 2.2 million pieces, the SFR motorcycle chain stands as the cornerstone of our group. As one of the world's top manufacturers of motorcycle chains, we serve some of the largest brands in the automotive sector. Our extensive range offers a chain for every power and use-from urban mopeds to high-powered racing motorbikes, dirt bikes, and ATV quads.We are a factory with over 30 years of expertise in producing and exporting high-quality Chains.
,We operate four fully owned factories and a joint venture, all certified by the prestigious ISO9001 and IATF 16949 Quality Management System.
2. What terms of payment you usually use?
Our payment terms include T/T with a 30% deposit and 70% against documents, T/T full payment, and L/C at sight.
3. What is your lead time for your goods?
Typically,it takes30 to45 days
for production, while stock items can be shipped immediately.
4. Do you attend any exhibition?
Yes, we actively participate in exhibitions across Germany, Italy, France, Russia, China, and other prominent motorcycle and industrial chain events.
5.Is sample available?
Absolutely, samples are available upon request.
6. Is OEM available?
Yes, we offer OEM services to cater to your specific needs.