-High-engagement ratchet system ensures stable and fast power return during explosive sprints and technical riding.
-Use premium hubs for road, gravel, and mountain bikes.
-OEM & ODM Hub Solutions for Modern Wheelsets
What Is a Bike Hub?
The bike hub is the core component of the wheel, connecting the axle and the spokes to ensure smooth rotation of the wheel. The bike hub is crucial to the riding efficiency of the bicycle and the transfer of power from the pedals to the ground. A high-quality hub has low resistance, durable bearings, and precise engagement, which brings a responsive riding experience.
Carbon World's ratchet system, similar to the DT Swiss hub, has many advantages, ensuring efficient torque transmission and reducing energy loss. The bicycle hub is designed to evenly distribute force, making it more durable and reliable under intensive use. The price of self-developed hubs is very advantageous.
Compatibility & Tech Specs
Bike Hubs
Number: MYB08RD330-HUBS
Hole Ratio
Number of holes：21
Proportion：2:1
Spokes
Carbon spokes
Round head
Weight
Front wheel（g）：120
Rear wheel（g）:220
Structure: Planetary gear system
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Bike Hubs
Number: MYB08RD240-HUBS
Hole Ratio
Number of holes：20(F), 21(R)
Proportion：1:1(F),2:1(R)
Spokes
Carbon spokes
Round head
Weight
Front wheel（g）：86.1
Rear wheel（g）:213.2
Structure: Planetary gear system
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Bike Hubs
Number: MYB08RD180-HUBS
Hole Ratio
Number of holes：21(F), 24(R)
Proportion：2:1(F),2:1(R)
Spokes
Carbon spokes
Round head
Weight
Front wheel（g）：71.1
Rear wheel（g）:169
Structure: Planetary gear system
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Bike Hubs
Number: MYB08RD930-HUBS
Hole Ratio
Number of holes：21(F), 24(R)
Proportion：1:1(F),1:1(R)
Spokes
Steel spokes
Round head
Weight
Front wheel（g): 106.9
Rear wheel（g): 229
Structure: Shrapnel six pawls
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Bike Hubs
Number: MYB08RD240-HUBS
Hole Ratio
Number of holes：20(F), 20(R)
Proportion：1:1(F),1:1(R)
Spokes
Carbon spokes
Round head
Weight
Front wheel（g）：85.6
Rear wheel（g）:202.1
Structure: Planetary gear system
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Bike Hubs
Number: MYB08RD300-HUBS
Hole Ratio
Number of holes：20(F), 20(R)
Proportion：1:1(F),1:1(R)
Spokes
Carbon spokes
Round head
Weight
Front wheel（g）：106.3
Rear wheel（g）:223.5
Structure: Planetary gear system
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Bike Hubs
Number: MYB08RD920-HUBS
Hole Ratio
Number of holes：21(F), 24(R)
Proportion：2:1(F),1:1(R)
Spokes
Steel spokes
Round head
Weight
Front wheel（g）：106.3
Rear wheel（g）:229.4
Structure: Planetary gear system
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Bike Hubs
Number: MYB08RD360-HUBS
Hole Ratio
Number of holes：24(F), 24(R)
Proportion：1:1(F),1:1(R)
Spokes
Steel spokes
T head
Weight
Front wheel（g）：115
Rear wheel（g）:245.2
Structure: Planetary gear system
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Types of Bike Hubs
The front hub is a simple structure, mainly used to connect the front wheel to the front fork to ensure smooth rotation of the wheel. Compared with the rear hub, the front hub has fewer parts, and the common axle specifications are quick-release axles and thru axles. The front hub focuses on lightness and rigidity, which is very important for handling and steering precision when riding.
The rear hub is more complex and contains a freehub or flywheel mechanism for gliding and power transmission. It needs to be compatible with different types of flywheels, such as Shimano, SRAM, and Campagnolo, and support multiple axle specifications. The rear hub emphasizes durability and fast engagement to ensure sensitive acceleration and withstand the pressure of the drivetrain. High-end rear hubs are usually equipped with high-quality bearings and precision engagement devices, which are key to the performance of the bicycle.
Advantages of Bicycle Hub
Easy to Maintain: With sealed bearings and a modular design, cleaning and maintenance are simple and convenient, saving time and cost.
Lightweight: High-quality hubs are made of lightweight materials to reduce the weight of the whole vehicle and improve acceleration and handling performance.
Full Engagement Design: The fast engagement mechanism realizes instant power transmission, improves pedaling efficiency, and response speed.
High Quality and Reliability: Precision manufacturing ensures strong durability and the same quality as the international big brand DT, adapting to various complex riding environments, long-lasting, and smooth.
High Cost Performance: Compared with top brands, our self-developed bicycle hubs take into account both performance and budget requirements.
Components of Bike Hubs
Hub Shell: The hub shell connects the spokes and is the core structural part of the wheel. It is usually made of lightweight and strong materials such as aluminum alloy or carbon fiber to ensure strength while reducing weight.
Axle: The axle passes through the hub and fixes the wheel to the bicycle frame. There are two common specifications: quick-release axle and thru-axle. Different axle types affect the rigidity and compatibility of the wheel.
Bearing: Bearings are used to reduce friction and allow the hub to rotate smoothly. Common sealed cartridge bearings are easy to maintain, and there are also traditional cup-cone bearings that can be disassembled for repair.
Freehub Body (Rear Hub): The rear hub has a built-in meshing mechanism, mostly a ratchet or pawl system, which supports the sliding function and transmits the pedaling force to the wheel.
End Cap: The end cap protects the internal parts of the hub and can adapt to different axle specifications for easy installation and replacement.
Disc Brake Disc Seat: The disc brake disc seat fixes the brake disc to the hub. Common designs include 6 bolts and center locks to ensure safe and precise braking performance.
Functions of Bicycle Hub
The bicycle hub is located in the center of the wheel rim and is an indispensable part of the wheel. It supports the rotation of the wheel through the bearing system and bears the weight of the frame and the rider. The hub is also connected to the spokes to maintain the tension and balance of the wheel set, so that the wheel remains stable and not easily deformed during driving.
The rear hub not only has the function of rotation support, but also is responsible for the transmission of power. By installing a flywheel or a freehub and cooperating with the chain, the pedaling action is converted into the driving force of the wheel. The internal ratchet or pawl structure provides a one-way transmission function, allowing the wheel to slide freely when not pedaling. This design not only improves riding efficiency but also enhances the overall riding smoothness and control. A well-performing rear hub can show stable and reliable power output and durability when dealing with different road conditions and riding intensity.
OEM/ODM Bicycle Hub Customization Service
Our OEM/ODM bicycle hub service is designed for brands, wheelset manufacturers, and performance-focused projects.
Custom Axle Specifications: We support mainstream road, gravel, and mountain bike axle standards, including quick-release and thru-axle systems. Axle dimensions, end cap configurations, and interface details can all be customized to your frame and fork requirements, ensuring seamless integration and reliable installation.
Spoke Bore Options: From lightweight, high-performance wheelsets to durability-focused wheelsets, spoke bore options are customizable to suit different riding styles, rim designs, and load requirements.
Disc/Rim Brake Compatibility: Hubs are compatible with both disc and rim brake systems and can be customized to your needs.
Logo and Color Customization: We offer a variety of logos and color schemes to help you create unique wheelsets while maintaining a clean, professional look that perfectly matches your brand image.
Small-Batch OEM Support: Unlike large-scale production suppliers, we support small to medium-batch OEM orders.
Why Aluminum Alloy Hubs Remain the Industry Standard
Aluminum alloy hubs continue to dominate modern wheelset manufacturing—not because they are a traditional choice, but because they offer the most reliable balance between performance, durability, and manufacturability.
Strength and Reliability
High-grade aluminum alloys, such as 6061 or 7075, provide an excellent strength-to-weight ratio. They are better able than many alternative materials to withstand repeated torsional loads from pedaling, braking forces generated by disc brake systems, and long-term fatigue over extended use.
Thread Durability
Hub threads—including those for end caps, lockrings, and axle interfaces—must endure frequent assembly and disassembly. Compared with composite materials, aluminum alloy offers superior thread integrity, reducing the risk of thread stripping and ensuring a longer service life in real-world maintenance scenarios.
Bearing Housing Machining Precision
CNC-machined aluminum allows extremely tight tolerances in bearing housings. This level of precision ensures proper bearing alignment, smoother rotation, reduced friction, and less wear over time.
Cost and Performance Balance
Aluminum alloy delivers consistently high performance at a reasonable cost. It supports scalable production, reliable quality control, and flexible OEM customization, making it a highly efficient and proven solution for modern wheel systems.
OEM/ODM Bicycle Hub Customization Service
Our OEM/ODM bicycle hub service is designed for brands, wheelset manufacturers, and performance-focused projects.
Custom Axle Specifications: We support mainstream road, gravel, and mountain bike axle standards, including quick-release and thru-axle systems. Axle dimensions, end cap configurations, and interface details can all be customized to your frame and fork requirements, ensuring seamless integration and reliable installation.
Spoke Bore Options: From lightweight, high-performance wheelsets to durability-focused wheelsets, spoke bore options are customizable to suit different riding styles, rim designs, and load requirements.
Disc/Rim Brake Compatibility: Hubs are compatible with both disc and rim brake systems and can be customized to your needs.
Logo and Color Customization: We offer a variety of logos and color schemes to help you create unique wheelsets while maintaining a clean, professional look that perfectly matches your brand image
Small-Batch OEM Support: Unlike large-scale production suppliers, we support small to medium-batch OEM orders.
FAQ
Q: Are our hubs made of aluminum alloy or carbon fiber?
A: Our bicycle hubs are primarily made of high-strength aluminum alloy. This material achieves an excellent balance in strength, machining precision, and long-term durability. While carbon fiber is widely used in modern wheelsets, it is generally not used in hub housings due to mechanical performance and maintenance considerations.
Q: Can they be paired with carbon fiber rims?
A: Yes. These hubs are designed to be perfectly compatible with both carbon fiber and aluminum alloy rims. They are commonly used in carbon fiber wheelsets, where aluminum alloy hubs provide reliable structural support and precise bearing alignment.
Q: What bearing options are available?
A: We come standard with sealed steel bearings and offer ceramic bearing options for applications where reducing rolling resistance and improving performance are priorities. Bearing selection can be customized based on riding style, durability requirements, and budget.
Q: Do you support wheelset OEM?
A: Yes. We offer OEM and ODM support for complete wheelset projects, including hub specification matching, compatibility coordination, and small-batch production. This makes our hubs suitable for both wheelset manufacturers and bicycle brands.
Q: What is the difference between mountain bike hubs and road bike hubs?
A: Mountain bike hubs are designed to withstand higher impact loads, wider wheelbases, and more demanding riding conditions, typically prioritizing strength and durability. Road bike hubs, on the other hand, focus on lightweight design, smooth rolling efficiency, and aerodynamic performance, reflecting the different performance requirements of road riding.
Q: Can I use an MTB hub on a road bike?
A: In most cases, no. MTB and road hubs differ in axle width, cassette compatibility, and disc vs. rim brake designs. Some gravel or adventure bikes may offer compatibility, but mixing hubs between disciplines usually requires specific adapters or custom builds.
Hot Selling Products
Leading bike hub manufacturer and supplier in China, specializing in high-quality carbon fiber products with OEM/ODM services. Our factory offers carbon bike rims, fairings, and custom carbon fiber solutions for sports, automotive, and industrial use. Contact us for a quote.
