May 19, 2025
The development history of steel frames of carbon – fiber frames for electric bicycles
The EcoE 5000W electric bike
Powerful Motor: EcoE is equipped with a 60V 5000W high-speed brushless motor. Due to different loads and road conditions, the electric bike drive system provides adjustable assistance, allowing you to stay healthy, relax, and exercise.
Accessories: This electric bike accessory set includes a rearview mirror, water bottle holder and bottle, a sturdy phone mount, and a waterproof phone pouch. The reinforced cargo rack allows you to easily carry extra items needed for your ride. Additionally, if you need more accessories, you can purchase a detachable storage rack, passenger safety seat, trailer, and more.
60V 32AH Battery: The bike is equipped with a high-capacity, removable 32AH battery, providing longer range per charge and over 1000 charge cycles. With pedal assist, the fat tire e-bike can travel 35-80 miles, depending on riding mode, load, and terrain. You can also purchase a spare battery for extended trips.
Comfort and Versatility: This fat tire electric bike comes with dual front suspension and rear shocks to reduce impact and strain during rides. Its 26-inch wheels, 4-inch tires, and SHIM 7-speed system offer excellent grip across diverse terrains. Front and rear disc brakes ensure safe, responsive stopping, whether on mountain trails or city streets.
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Early Exploration and Application in the Bicycle Field (1950s – 1980s)
- In the 1950s, the US military developed carbon fiber with good mechanical properties and achieved industrial production in the 1960s1. Later, countries such as Japan, the UK, France, and Germany successively mastered the technology to manufacture high – quality carbon fiber1.
- In the 1970s, the application of carbon fiber in bicycles was tried1. In 1974, the American Apex Proto company manufactured a bicycle frame made of carbon – fiber – composite thin – walled tubes bonded with stainless – steel joints1.
- In the early 1980s, with the decrease in the price of carbon fiber and the continuous improvement of production technology, carbon – fiber bicycles began to be promoted and applied1. In 1980, the French TVT company first commercialized the carbon – fiber – composite frame1. At the 1984 Los Angeles Olympics, the US cycling team using carbon – fiber bicycles won the championship, which greatly promoted the research, development, and application of carbon – fiber bicycles1. In 1986, the French Look company used the carbon – fiber tubes produced by TVT company to manufacture a practical carbon – fiber bicycle frame, and in 1988, it manufactured the world’s first mass – produced carbon – fiber frame, the KG861.
Initial Application and Technological Development (late 1980s – 1990s)
- In the late 1980s, some carbon – fiber mountain bikes were launched and began to attract the attention of mountain – bike athletes4. In 1988, Giant began to mass – produce jointly – developed carbon – fiber bicycle frames and assembled them into complete vehicles for the market1.
- In 1990, the Japanese Miyata Industry Company launched two types of bicycles, the ARC1000 sports bike and the RDC1000 flat – handlebar bike, with carbon – fiber frames. The quality of these two types of bicycles was 50% lighter and 1.6 times stronger than that of the chrome – molybdenum steel – frame bicycles1. In the same year, Look company manufactured the world’s first one – piece carbon – fiber frame1.
- In 1993, Giant jointly developed an integrated carbon – fiber bicycle frame1. In the same year, the Tianjin Flying Pigeon Bicycle (Group) Company and the Beijing Huanhang Composite Material Company jointly invested in the development of adhesive – type carbon – fiber bicycles1. The Shenzhen China Bicycle Company self – financed the construction of a factory to produce carbon – fiber tubes for bicycles and developed weldable carbon – fiber – tube bicycles1. In 1995, Look company manufactured the world’s first full – carbon – fiber frame (including the steering rod)1.
Gradual Popularization and Market Expansion (1990s – early 21st century)
- From the 1990s to the early 21st century, with technological progress and cost reduction, carbon – fiber bicycle frames gradually became popular in the mass market7. More and more bicycle manufacturers made breakthroughs in the design and manufacturing of carbon – fiber bicycle frames. Developed countries in Europe and America controlled the key processes and core technologies of the research, development, and manufacturing of carbon – fiber bicycle parts1.
Wide Application and Innovative Development (early 21st century – present)
- Since the 21st century, with the rapid development of the electric – bicycle market, the application of carbon – fiber frames in the field of electric bicycles has gradually increased7. Carbon – fiber manufacturing technology has continued to develop, and designers have been able to manufacture frames with more complex shapes, improving strength and stiffness while achieving better lightweight effects4. Some companies have begun to use combinations of different types of carbon fiber to achieve the perfect balance of strength, stiffness, and weight4.
- In 2018, AREVO launched an electric – assist bicycle with a 3D – printed carbon – fiber frame. Its technology combines 3D printing with multiple technologies, allowing customization for individual riders and large – scale printing when needed.
The following is a table about the development history of carbon – fiber frames for electric bicycles:
| Time Period | Development Characteristics | Main Events |
|---|---|---|
| 1950s – 1960s | Research, development, and industrial production of carbon – fiber materials | The US military developed high – performance carbon fiber, and industrial production was achieved in the 1960s. Countries successively mastered the relevant technologies. |
| 1970s | Attempts to apply carbon fiber in bicycles | In 1974, the American Apex Proto company manufactured a bicycle frame made of carbon – fiber – composite thin – walled tubes bonded with stainless – steel joints. |
| 1980s | Carbon – fiber bicycles began to be commercialized. Promotion was driven by price reduction and process improvement. | In 1980, the French TVT company commercialized the carbon – fiber – composite frame. In 1984, the US cycling team won the championship using carbon – fiber bicycles at the Los Angeles Olympics. In 1986, the French Look company manufactured a practical carbon – fiber bicycle frame. In 1988, Giant mass – produced carbon – fiber bicycle frames. |
| Late 1980s – 1990s | Technological development, emergence of various new frame design and manufacturing technologies | In 1990, the Japanese Miyata Industry Company launched bicycles with carbon – fiber frames, and the Look company manufactured a one – piece carbon – fiber frame. In 1993, Giant developed an integrated carbon – fiber bicycle frame. The Tianjin Flying Pigeon Bicycle (Group) Company and the Beijing Huanhang Composite Material Company developed adhesive – type carbon – fiber bicycles. The Shenzhen China Bicycle Company developed weldable carbon – fiber – tube bicycles. In 1995, the Look company manufactured a full – carbon – fiber frame. |
| 1990s – early 21st century | Popularization in the mass market due to technological progress and cost reduction | Carbon – fiber bicycle frames gradually became popular in the mass market. Manufacturers in various countries made breakthroughs in design and manufacturing. |
| Early 21st century – present | Increasing application in the field of electric bicycles and innovation in manufacturing technology | The application of carbon – fiber frames in the field of electric bicycles has become more and more extensive. Manufacturing technology has continued to develop. In 2018, AREVO launched an electric – assist bicycle with a 3D – printed carbon – fiber frame. |
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9000W Dual Motor Electric Bike for Adults 52MPH with Charge Voltage 63 V Battery, 26×4 Fat Tire All Terrain Ebikes, Full Suspension E Bike, SHM 7-Speed Gear Electric Bicycle
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