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The global transition to electrification has expanded far beyond consumer passenger cars, sparking an unprecedented surge in the lightweight electric motorcycle and dirt bike sectors. Platforms like the Talaria Sting R MX4 and its predecessors have transitioned from niche recreational vehicles to major commercial assets. Today, these high-torque machines are deployed globally in agricultural monitoring, eco-tourism rentals, military scouts, and last-mile urban deliveries.
Unlike traditional internal combustion engine (ICE) motorcycles that share engine oil with the transmission, electric dirt bikes feature specialized gearboxes requiring highly targeted lubrication. Operating at input motor speeds exceeding 8,000 RPM, the Talaria gearbox experiences severe shear stress, high localized temperatures, and extreme pressure. Consequently, standard gear oils fail, leading to rapid viscosity breakdown, premature pitting, and catastrophic gear tooth failure. As a leading manufacturer, we provide synthetic gear formulations engineered specifically to mitigate these challenges, ensuring maximum power transmission efficiency and extended component service life.
"High-speed reduction gearboxes in modern e-motos demand lubricants with exceptional shear stability and thermal conductivity to prevent boundary friction failure under instant peak torque."
Understanding the tribology behind high-RPM reduction gearboxes in electric dirt bikes.
Electric motors deliver instantaneous torque. Our gear oil utilizes high-viscosity index synthetic base stocks (PAO/Ester) that retain structural integrity under extreme load, preventing metal-on-metal contact at critical pitch lines.
Without an exhaust pipe or large radiator to release heat, the compact gearbox of a Talaria Sting can quickly overheat. Our formulations act as a heat transfer medium, transferring thermal load away from the gear faces to the casing.
Rapidly spinning gears introduce air, causing foam that degrades oil film thickness. Our specialized additives prevent aeration and protect radial shaft seals made of NBR and Viton from degrading or hardening.
Shandong Longhai Lubrication Technology Development Co., Ltd. was established in 2009 and is headquartered in Zibo, Shandong. It is a high-tech enterprise integrating R&D, production and sales. The company has been deeply involved in the lubricant industry for more than 15 years, has built a complete industrial chain system, and is committed to providing high-quality lubrication solutions for the global industrial and transportation fields.
As a reliable lubricant manufacturer in the industry, Longhai Technology owns its own brand "Century Longhai" and the international strategic cooperation brand British "A Ba" series of products. The products cover diesel engine oil, gasoline engine oil, gear oil, hydraulic transmission oil, anti-wear hydraulic oil, special engine oil for engineering machinery, special oil for natural gas, full synthetic oil, automotive urea solution, antifreeze, special engine oil for motorcycles, industrial oil, automatic transmission oil and many other lubricant varieties. The brand is insured by PICC China People's Insurance Company and quality insurance.
Uncompromising quality control backed by advanced automation and a state-of-the-art laboratory.
Longhai Technology has always insisted on innovation-driven development. Its annual R&D investment accounts for more than 5% of its annual revenue. It has established strategic cooperation with many universities and scientific research institutions to continuously optimize lubrication technology and promote industry progress. At present, the company's production base covers an area of 131 acres, with an annual production capacity of 200,000 tons. It is equipped with intelligent production lines and precision laboratories to meet the customized needs of different customers.
In terms of market layout, Longhai Technology has built a sales network covering the whole country. Its products are sold well in 139 cities in 29 provinces, autonomous regions, municipalities and special administrative regions, and are exported to overseas markets, winning the trust of many leading companies in the industry.
The company has advanced blending and fully automatic production and filling equipment. The filling production line adopts the principle of metering filling, which is suitable for filling various lubricating oils and ensures the filling accuracy of 1‰-2‰. While ensuring the filling accuracy, it increases the filling speed by 20%-35%, effectively increases the work efficiency, and realizes the standardized production of the enterprise. It guarantees the delivery speed and quality of our company to a great extent.
From tailor-made synthetic formulations to final packaging, we build your brand's competitive advantage.
Fully synthetic and semi-synthetic lubricant formulations tailored to vehicle/equipment requirements, climatic conditions or market positioning to meet international standards such as API/ACEA.
Supports small-scale trial production to large-scale production, covering engine oil, transmission oil, industrial lubricants and other full categories, filling specifications are flexible and optional.
Certified by ISO 9001, IATF 16949, etc., provide authoritative third-party test reports to ensure product performance and compliance.
We offer packaging design, label printing and technical documentation support to help you build a premium brand image.
The company has passed ISO-9001-2015 quality system certification, 14001 environmental management system certification, 18001 health management system certification. Automatic transmission Mercedes-Benz certification has laid the foundation for the healthy development of the company and the stability of product quality. The company strictly follows international standards and introduces foreign production processes and testing technologies to ensure that the products can still perform excellently under extreme working conditions, helping customers improve equipment efficiency and reduce maintenance costs.












Integrating customer-first values, continuous technological innovation, and robust quality guarantees.
Annual R&D investment exceeding 5% ensures we stay ahead of EV lubricant trends, optimizing chemical compositions for electric bike gearboxes.
Our production practices are backed by ISO 9001, 14001, 18001 certifications and official Mercedes-Benz oil approval credentials.
We believe products reflect character and quality is life. Global clients are supported with prompt, transparent technical support.
Every lubricant shipment is backed by quality liability insurance through PICC China People's Insurance Company, mitigating buyer risks.
How specialized gear oils perform across commercial e-bike applications worldwide.
Off-Road Rental Fleets: E-dirt bike rental operations in highly demanding regions like Southern California, the Swiss Alps, and Queensland require robust lubrication. Rental bikes endure back-to-back operations without rest, meaning the gear oil is constantly subjected to operating temperatures upward of 100°C. Synthetic PAO gear oils ensure viscosity stability under these continuous thermal cycles.
Last-Mile Delivery Services: With cities implementing clean energy zones, e-motos are increasingly utilized for heavy payload cargo deliveries. Frequent stop-and-go acceleration spikes drivetrain torque, necessitating advanced Extreme Pressure (EP) additives to prevent boundary friction failure.
Global Procurement Shifts: B2B buyers now prioritize bulk lubricant suppliers capable of providing private-label flexibility, robust packaging, and standardized quality certificates. As supply chain volatility rises, sourcing from a manufacturer with a 200,000-ton annual capacity guarantees delivery safety.
A seamless transition from project ideation to global shipment delivery.
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Crucial industrial and technical queries commonly evaluated by B2B distributors and professional fleet operators.
Most electric dirt bike reduction gearboxes (like the Talaria Sting R MX4 or Sur-Ron Light Bee) require high-quality synthetic gear oils in the viscosity range of 75W-90, 80W-90, or specialty high-performance motorcycle gearbox fluids. The exact kinematic viscosity at 100°C must remain stable (typically between 14 to 18 cSt) to ensure adequate film thickness at high operating RPMs.
It is highly discouraged. Automotive gear oils often contain high levels of active sulfur-phosphorus Extreme Pressure (EP) additives that can be corrosive to copper, bronze, and yellow-metal components commonly found in e-moto electrical components or small internal bearings. Furthermore, automotive formulas do not feature the necessary anti-foaming agents required for gearboxes spinning at 8,000+ RPM.
For initial break-in, it is recommended to change the gear oil after the first 150 to 300 miles to flush out metal shavings and manufacturing residues. Subsequently, for standard use, oil changes should occur every 1,000 to 1,500 miles. For aggressive off-road racing, rental fleets, or utility usage, oil change intervals should be reduced to every 500 miles.
Our factory operates metering-based automated filling equipment that guarantees an accuracy tolerance of 1‰-2‰. Blending processes are carried out in enclosed, temperature-controlled stainless steel tanks. Each batch is subjected to spectrum analysis, kinematic viscosity testing, and moisture content verification in our precision laboratory before packaging.
Yes. We offer fully integrated OEM/ODM services. We can customize the base-oil blend ratio (PAO, Ester, or mineral bases), viscosity profiles, and additives package. Additionally, we provide custom packaging design, bottle blow molding, label printing, and carton supply, allowing distributors to purchase shelf-ready products.
The company always adheres to the management policy of "planning big strategies, focusing on technology, creating high quality, and keeping reputation", vigorously promotes the pioneering and enterprising spirit, strives to implement talent-driven factories, optimizes management, actively promotes various reforms, improves corporate quality, and successfully breaks out a path of corporate innovation and development. Our corporate philosophy is "dare to explore, innovate continuously, survive by quality, and promote development by efficiency". We will continue to occupy the market with quality and price, drive the market with outstanding talents, drive the market with scientific innovation, and promote the market with brand advertising.
Products are character, quality is life, customer first, honest and pragmatic service tenet. In the future, the company will continue to use technological innovation as the engine and sustainable development as the cornerstone, and work with global partners to lubricate the future together!
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