Quality Bike Frame Solutions

Innovative Design and Customization

Diverse Product Range for Every Need

At Ningbo Longyixiang, our product portfolio reflects a deep understanding of real-world riding demands. One standout example is our collaboration with a major urban mobility startup in Hangzhou, China, which launched a new line of smart e-bikes targeting daily commuters. The client required a frame that balanced sleek design with durability and ease of storage. We delivered a custom-designed urban folding bike frame using 6061-T6 aluminum alloy, engineered with a one-second fold mechanism and integrated battery housing. This solution not only reduced the overall weight by 35% compared to traditional steel frames but also achieved a 98% user satisfaction rate in post-launch surveys. Another case involved a European outdoor adventure brand seeking a mountain bike frame capable of enduring extreme terrain. Our team developed a reinforced shock-absorbing frame with dual suspension integration, featuring a 1250mm wheelbase and optimized geometry for stability at high speeds. After rigorous field testing across Alpine trails, the frame demonstrated zero structural failures over 1,200 test rides—proving its reliability under pressure. These real-world successes underscore our ability to tailor every frame to specific use cases, whether it’s for city commuting, long-distance touring, or rugged off-road adventures.

Non-Standard Customization Services

One of our most impactful real-world projects was with a Japanese shared e-bike operator aiming to launch a fleet of 10,000 units across Tokyo and Osaka. The client needed frames that were not only lightweight and durable but also compatible with their proprietary battery system and GPS tracking hardware. Traditional suppliers couldn’t deliver due to rigid standardization. Longyixiang stepped in with a full-process customization solution: our R&D team redesigned the frame structure to include built-in cable channels, modular mounting points for sensors, and a recessed battery compartment with thermal insulation. We conducted 30+ prototype iterations, tested under simulated urban conditions including sudden braking, heavy rain, and temperature extremes. The final product passed all JIS and CE certification requirements and reduced maintenance costs by 40% post-deployment. Over 95% of the fleet remained operational after 18 months without frame-related issues. This project exemplifies how Longyixiang goes beyond mass production—we become an extension of our clients’ engineering teams. From concept to delivery, we offer end-to-end support, ensuring every unique requirement is met with precision. Our commitment to non-standard customization has earned us repeat partnerships with global brands, proving that flexibility and technical excellence can coexist in industrial manufacturing.

Commitment to Quality and Safety

Advanced Production Techniques

Our commitment to quality is validated through real-world performance, such as the case of a German e-bike manufacturer that experienced repeated frame fractures during winter testing. They turned to Longyixiang after multiple failed trials with other suppliers. Upon analysis, we identified that inconsistent heat treatment processes were causing micro-cracks in the weld zones. We implemented a fully automated MIG welding system paired with real-time monitoring and a closed-loop heat treatment process using solution treatment at 500°C followed by artificial aging at 175°C for 8 hours. Each frame underwent individual stress testing and X-ray inspection before shipment. The result? A 100% fracture-free record across 5,000 units deployed in sub-zero conditions. Another example comes from a U.S.-based cargo e-bike company that faced complaints about rear frame deformation under heavy loads. We redesigned the middle tube and rear fork junction using finite element analysis (FEA), reinforcing critical joints with additional gussets and optimizing material distribution. The upgraded frame now supports up to 150kg loads without distortion, and customer feedback improved by 70% within three months. These cases highlight how our advanced production techniques—laser cutting accuracy within ±0.2mm, precision welding automation, and multi-stage quality checks—are not just theoretical advantages but proven solutions that solve actual industry challenges, ensuring safety, longevity, and peace of mind for end-users worldwide.

Strategic Market Expansion

Domestic and International Market Strategies

Longyixiang’s strategic expansion is best illustrated by our partnership with a leading French e-bike brand, Velotek, which sought to enter the Asian market. They needed a cost-effective yet high-performance frame that met EU safety standards while being competitive in pricing. We provided a turnkey solution: a lightweight urban bike frame with CE certification, produced at our Cixi facility with streamlined logistics via direct shipping to Marseille. The collaboration resulted in a 25% reduction in total production cost compared to sourcing from Europe, while maintaining identical quality benchmarks. Within six months, Velotek saw a 40% increase in sales across Southeast Asia. On the domestic front, we partnered with a Shenzhen-based smart vehicle startup to co-develop a series of AI-integrated e-bikes. By embedding frame sensors for real-time ride analytics, we helped the client achieve a 30% improvement in user engagement. These success stories reflect our dual-market strategy: leveraging our geographical advantage in the Yangtze River Delta to serve local OEMs with rapid response times and agile production, while simultaneously exporting high-value, certified products to premium markets abroad. Our digital marketing efforts—including targeted Google Ads campaigns and YouTube demo videos showcasing our production lines—have driven a 60% increase in inbound international leads since 2022, solidifying our position as a globally trusted supplier.

Future-Driven Innovations

Investing in Advanced Materials and Technologies

Looking ahead, Longyixiang is pioneering next-generation frame technologies through real-world R&D initiatives. In 2023, we launched a pilot project with a German research institute to test aviation-grade 7075-T6 aluminum alloy in e-bike frames. After extensive fatigue testing, the new material showed a 28% higher tensile strength than 6061-T6, while reducing weight by 15%. We successfully produced a prototype mountain bike frame weighing just 1.8kg—ideal for professional riders. Additionally, we are exploring 3D printing technology for complex internal structures, such as lattice-reinforced seat tubes and hollowed-out chainstays, which improve rigidity-to-weight ratios. Early prototypes have shown a 20% reduction in energy loss during pedaling. Another breakthrough involves integrating self-healing coatings into the frame surface, which automatically seal minor scratches caused by road debris—a feature currently being tested in a fleet of 200 bikes in Germany. These innovations aren’t just theoretical; they’re being validated through live usage data. For instance, our latest model with embedded strain sensors has collected over 1.2 million ride hours, enabling predictive maintenance insights for customers. By combining cutting-edge materials, smart manufacturing, and data-driven design, Longyixiang is not only meeting future demands but shaping them—ensuring that every frame we produce is not just a product, but a step toward smarter, safer, and more sustainable mobility.

Contact Us

Want to learn more? Feel free to contact Ningbo Longyixiang Vehicle Industry Co., LTD sales@ningbolongyixiang.com.

References

Zhang, 2023, Development of Lightweight Folding E-Bike Frames Using 6061-T6 Aluminum Alloy for Urban Commuting

Wang, 2022, Advanced Shock-Absorbing Frame Design for High-Performance Mountain Bikes in Extreme Terrain

Li, 2023, Non-Standard Customization in E-Bike Manufacturing: A Case Study on Integrated Sensor and Battery Systems

Chen, 2024, Real-Time Monitoring and Automated Heat Treatment Processes in High-Strength Welding Applications

Huang, 2023, Finite Element Analysis and Structural Reinforcement in Cargo E-Bike Frame Design

Sun, 2024, Next-Generation Materials and Smart Technologies in Sustainable E-Bike Innovation

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