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 engineering, designed to offer unparalleled performance and durability. Crafted with a light-weight yet high-strength composition, this chain maintains maximum strength while significantly reducing both width and weight. The advanced O-ring technology triumphs over the limitations of conventional sealing chains, extending the lifespan to an impressive 150% longer than standard O-rings.



Available in striking color combinations of silver outer with black inner, and golden outer with black inner, the SFR Heavy Duty 428 Motorcycle Gear Kit ensures your ride looks as exceptional as it performs. Built for high wear-resistance, the SFR chain is engineered to withstand the rigors of the road, providing long-lasting reliability for every journey. Experience the convenience of maintenance-free lubrication and the cost-efficiency of low-cost O-rings, making the SFR Heavy Duty 428 Motorcycle Gear Kit the ideal choice for discerning riders.





The Semi-Automatic PET Bottle Blowing Machine is the ultimate solution for crafting PET plastic containers and bottles of diverse shapes and sizes. This versatile Bottle Making and Moulding Machine ensures precision, efficiency, and high-quality production, making it the ideal choice for all your PET bottle manufacturing 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), use the SFR Cutting & Riveting Tool or a similar cutting tool.
3. Attach the new chain to the end of the old one using a new connecting link. By turning the rear wheel, the new chain will be positioned correctly (Refer to Fig. A).


Motorcycle Chain Handling Instructions
With rigorous quality controls, we relentlessly strive to surpass our customers' expectations in both quality and service. Our products are sold to over 80 countries, catering to every industry that requires the movement, conveyance, lifting, or transmission of power.







Our Services & Strength
With an impressive monthly production output exceeding 2.2 million pieces, SFR motorcycle chains form the backbone of our group. As one of the world's premier manufacturers of motorcycle chains, we proudly serve some of the largest brands in the automotive industry. Our extensive range includes chains tailored for every power level and application-from urban mopeds to high-powered racing motorcycles, dirt bikes, and ATV quads.We are a leading factory specializing in the production and export of chains for over 30 years.
,We operate four wholly-owned factories and a joint venture, all certified by the prestigious ISO9001 and IATF 16949 Quality Management Systems.
2. What payment terms do you usually accept?
We typically accept 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 products?
Normally, it ranges from30 to 45 days.
For items in stock, shipping can be done immediately.
4. Do you participate in any exhibitions?
Yes, we attend exhibitions in Germany, Italy, France, Russia, China, and other major motorcycle and industrial chain shows.
5.Is a sample available?
Yes, samples are available.
6. Is OEM service available?
Yes, OEM services are available.