Hunan Dinghan New Material Technology Co., LTD
| Payment Terms | T/T |
| Supply Ability | Negotiable |
| Delivery Time | (Sample order) 7 days |
| Packaging Details | According to customers' requests |
| Material | Steel |
| Shape | Spiral |
| Teeth Profile | Gleason |
| Accuracy Grade | ISO 4-6 Grade |
| Heat Treatment | Carburizing,quenching, Carbonitriding, High-frequency, Quenching, Tempering Etc |
| Service | Customized |
| Brand Name | DINGSCO |
| Model Number | According to customers' requests |
| Certification | ISO 9001 |
| Place of Origin | Changsha, China |
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Product Specification
| Payment Terms | T/T | Supply Ability | Negotiable |
| Delivery Time | (Sample order) 7 days | Packaging Details | According to customers' requests |
| Material | Steel | Shape | Spiral |
| Teeth Profile | Gleason | Accuracy Grade | ISO 4-6 Grade |
| Heat Treatment | Carburizing,quenching, Carbonitriding, High-frequency, Quenching, Tempering Etc | Service | Customized |
| Brand Name | DINGSCO | Model Number | According to customers' requests |
| Certification | ISO 9001 | Place of Origin | Changsha, China |
| High Light | Hassle-Free Bicycle Gear ，Three-Speed Bicycle Gear | ||
What are the characteristics of Three-speed bicycle gear?
The core technology of three-speed bicycle gear is a planetary gear transmission, which simplifies the complex mechanical structure into three parts: the outer ring, the planetary wheel set and the sun gear. When adjusting one of the components, the other two components will be switched accordingly to achieve a fast and smooth speed change effect.
Advantages
Faced with people with different physical conditions, this gear has three gear shifts (divided into light, flat and fast), such as the elderly, women, students and children.
The service life is long. Since the speed change process is completed inside the hub and is not easily affected by the external environment, it is almost unnecessary in terms of maintenance, saving a lot of expenses and energy.
Simple operation: It is more suitable for users who think that the speed change system is more complicated, because you don’t need to manually change gears yourself.
A three-speed bicycle is perfect for these situations: Daily commuting, as it’s reliable and needs minimal upkeep, making it great for short trips. Urban cycling, because city streets are mostly flat and don’t need frequent gear changes, which the three-speed can handle easily. And for lightweight riding, if you’re not into intense cycling, this bike provides a comfortable and convenient ride.
The three-speed bicycle gear system is designed to make your ride smoother and more enjoyable. Built right into the hub, it offers three gear settings—light, flat, and fast—so you can easily tackle different terrains. This clever system uses centrifugal force and leverage to switch gears automatically, so you don't have to fiddle with manual adjustments. Perfect for city commuting or short trips, it's all about making your ride as easy and efficient as possible. Give it a try and see how it can enhance your cycling experience!
| Easy to operate, maintenance-free three-speed bicycle gear | |
| Specification | |
| Material | 20CrMnTi/20CrMo/20CrNiMo/18CrNiMo/38CrMoAl/42CrMo/40Cr/45#...... |
| Shape | Spiral |
| Teeth Profile | Gleason |
| Module (M) | ≤4 |
| Accuracy Grade | ISO 4-6 Grade |
| Service | Customized |
| Processing | Cutting, hobbing, shaping, broaching. |
| Hardness | Hardened |
Why choose us?
Since 1994, we've been all about making top-notch internal bevel and custom gears. With over 30 years of know-how, we've got the expertise to meet those tough ISO 4-6 standards. We're super dedicated to quality, so every gear we make is crafted with care for reliability and durability. We're confident that our customized, high-quality solutions will exceed your expectations and fit your needs perfectly.
Our team comprises a doctoral-degree holder, a distinguished member of the China Gear Standardization Technical Committee, and a graduate student specializing in bevel gear research.
We take pride in our advanced CNC seven-axis, five-linkage spiral bevel gear grinding and milling machines at our factory. We also possess a comprehensive range of cutting-edge production and testing tools, ensuring every product meets the highest standards of quality and efficiency.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1994
Total Annual:
70 million-100 million
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Our company was formerly known as Changsha Double Star Gear Industrial Co., Ltd, which was established in 1994. It is a directly affiliated university-run enterprise founded by Central South University Professor Zeng Tao, the leading expert on spiral bevel gears in China. It was later renamed as Cha... Our company was formerly known as Changsha Double Star Gear Industrial Co., Ltd, which was established in 1994. It is a directly affiliated university-run enterprise founded by Central South University Professor Zeng Tao, the leading expert on spiral bevel gears in China. It was later renamed as Cha...
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