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Your Responsible Supplier of CNC Crankset In China

Get the best CNC crankset here in HDC! Our crankset doesn’t just deliver the firmness and dependability that comes with it, HDC’s crankset also carries another level of performance and versatility that the other companies don’t generally provide. Additionally, our components are available around the globe with stress-free services.

  • 50+ Countries Served, 5 M+ Parts Manufactured
  • ISO9001 certificated crankset manufacturer
  • Tolerance down to +/-0.01mm
  • We keep your custom crankset designs protected
  • Lifelong guaranteed materials
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HDC- The Cyclists’ Most Preferred Manufacturer Of CNC Crankset

HDC’s crankset comprises chainrings, cranks or crank arms, and a bottom bracket. We don’t only manufacture cranksets that are appropriate to the kind of bike you have, we also consider the style of riding you genuinely prefer. We assure you that you can get the most out of your bike expeditions with HDC. 

We are addressing the present-day problems regarding the hindrances in achieving a peaceful bike riding experience. HDC fabricates a crankset that will work perfectly from the moment they get assembled, even if you take them on and off over and over. Expect that HDC’s crankset is machined beautifully with a long-lasting finish that will make it look new for ages.

Custom Your CNC Crankset With HDC

Aluminum 7075 CNC Crankset

Our aluminum 7075 crankset is manufactured through forged and CNC machining to achieve its maximum quality. HDC is fabricating bicycle components utilizing modern-day tools and great innumerable development testing.

CNC Crankset For MTB

HDC is designing a crankset for MTB that is suitable for the rider’s leg length, for we ensure your comfortability while riding. We also offer professional assembling for your components.

CNC Crankset For BMX

We are supplying CNC cranksets for BMX bikes, giving importance to the crank length and axle diameter. HDC can work with any diameter size and spline pattern. You can always tell HDC what is more convenient for you to have the most ideal comfort in riding.

CNC Oval Crankset

HDC’s oval crankset is created to balance the irregularity of strength along the pedal stroke. It offers comfortable cycling for people who have an extremely strong but inconsistent pedaling movement.

Folding Bike Compact CNC Crankset

We manufacture a compact crankset that is exceedingly lighter and provides uncomplicated gearing alternatives. You can always make yourself assure about the standard of your components with HDC.

Custom Machined CNC Crankset

Our CNC crankset is available in different colors, especially the arms. You can choose your preferred aluminum material, surface finish, size, style, and length of your parts. 

Why do you select HDC CNC Crankset?

HDC has a light, heavy-duty, and economical crankset. It can also come in different formats (triple, double, single) according to your preferences. Our crankset also can endure high, jumps, abusive falls, and tricks. Designing your crankset with HDC will lead you to the most desirable and satisfying crankset you will ever have. 

We ensure that the products we fabricate are always made for longevity. HDC’s cranksets are designed to accommodate nearly every bicycle around the world and make unstressed installations. HDC is able to create your crankset in any color, material, finish, style, length, and size you prefer.

HDC is offering engineering consultations to every client for you to have more knowledge about the part you are customizing, We have been engaging in CNC Bike Parts field more than 10 years.

Custom CNC Bike Crankset

HDC Capabilities on Custom Your CNC Bike Parts

5 Axis CNC Machining
5 Axis CNC Machining
cnc machining manufacturer
CNC Machining
Cnc Milling manufacturer
CNC Milling
cnc turning manufacturer
CNC Turning
metal laser cutting
Laser Cutting
rapid prototyping manufacturer
Rapid Prototyping
sheet metal fabrication service
Sheet Metal Fabrication
laser engraving parts
Laser Engraving

Custom Your CNC Bike Parts with HDC

HDC ISO9001 Certificate


Length Chainring BCD Rings
160mm 110 50-34T/52-36T/54-42T
165mm 110 50-34T/52-36T/54-42T
167.5mm 110 50-34T/52-36T/54-42T
170mm 110 50-34T/52-36T/54-42T
172.5mm 110 50-34T/52-36T/54-42T
175mm 110 50-34T/52-36T/54-42T
177.5mm 110 50-34T/52-36T/54-42T
180mm 110 50-34T/52-36T/54-42T

HDC CNC Crankset

Making the best CNC crankset using high-grade aluminum material has brought HDC the number one choice of the bicycle industry. We also have CNC machines to construct your components in a modern and precise way.CNC crankset machine

Serving for more than thirteen years while maintaining the rank we establish is never easy but with the help of our experts, numerous cycling enthusiasts keep on trusting HDC. We also put so much responsibility into building your parts for we value your safety along the road. 

Surface treatments are available in HDC, you can choose by your preferences. We offer heat treatment, passivating, brushing, machined, anodizing, plating, tumbling, polishing, engraving, and so much more.

As an ISO9001 certified manufacturer, we follow strict inspections and standards to maintain the kind of quality we have. We took it seriously when we are fabricating a component, our technicians, engineers, craftsmen, and other workers can go above and beyond just to serve the finest components for our clients.

Shipping ways that are convenient for you are here in HDC, whether it be through courier, air, or sea. Payment methods are available in Paypal, T/T, and L/C, while trade terms can attain through FOB, CFR, and DDP.

Not only CNC Crankset, but HDC also produces lots of other performance bicycle parts, which include Bicycle Hubs, CNC Chainring, Aluminum Bike Pedals, and Pegs.

CNC crankset chainringCustom CNC crankset goldenCNC crankset sprocket

Besides CNC Machining Service, HDC can assist you with various services. We have sheet metal fabrication service, aluminum forging, aluminum extrusion, investment casting, pressure die casting, magnesium dies casting for metal parts.

Wonder how to have a crankset supplier with immense expertise in building bicycle parts? Contact HDC now.

Frequently Asked Questions (FAQ) – CNC Crankset

Welcome to our CNC Crankset FAQ. Whether you’re a cycling enthusiast or just curious about these precision components, you’re in for an insightful journey. In this FAQ, we’ll explore the purpose, components, materials, and customization options of CNC cranksets.

What Is a Crankset?

A crankset, often referred to as a “crank,” is a key component of a bicycle’s drivetrain system. It consists of one or more chainrings (also known as sprockets or chainwheels) attached to a pair of crank arms. When you pedal, the crankset converts your pedaling motion into rotational energy that drives the chain and propels the bicycle forward.

cnc crankset 4

What Is the Purpose of a Crankset on a Bicycle?

The primary purpose of a crankset is to transfer the rider’s pedaling energy to the rear wheel of the bicycle. It allows the rider to apply force to the pedals, causing the chain to move and the bike to move forward.

What Are the Components of a Crankset?

A crankset consists of the following components:

  • Crank Arms: These are the elongated arms to which the pedals are attached.
  • Chainrings: These are the toothed discs connected to the crank arms. They engage with the bicycle chain to transfer power.
  • Bottom Bracket: The bottom bracket is the bearing system that allows the crankset to rotate smoothly within the bicycle frame.

cnc crankset 1

What is the Difference Between a Chainring and a Crankset?

A chainring is a single-toothed disc within a crankset. A crankset, on the other hand, includes the crank arms and one or more chainrings. The crankset as a whole is responsible for pedaling power transfer, while the chainring is just one part of it.

What Aspects of a Crankset Affect Performance?

Several aspects of a crankset can affect its performance, including:

  • Material: The choice of material, such as aluminum, carbon fiber, or steel, can impact weight, stiffness, and durability.
  • Design: The crankset’s design, including the shape of the crank arms and chainrings, can influence aerodynamics, stiffness, and power transfer.
  • Weight: A lighter crankset can lead to improved acceleration and climbing performance.
  • Stiffness: Greater stiffness in the crankset can enhance power transfer and responsiveness.
  • Chainring Size: The size and number of teeth on the chainrings affect gear ratios and, consequently, the bike’s speed and climbing ability.
  • Bottom Bracket Compatibility: The compatibility with different bottom bracket standards can affect the overall performance and compatibility with your bike frame.
  • Width: The horizontal distance between the outer edges of the two crank arms on a crankset can influence your pedaling efficiency and comfort.
  • Chainring Profile: The shape of the chainrings, such as oval or round, can affect power delivery and pedaling smoothness.
  • Bearings: High-quality bearings in the bottom bracket can reduce friction and improve pedaling efficiency.
  • Crank Arm Length: The length of the crank arms can impact leverage and cadence, affecting how efficiently power is transferred to the pedals.

Understanding how these aspects interact and choosing the right crankset based on your riding style and goals can significantly impact your overall cycling performance.

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Is a Higher Number of Gears on a Crankset Better?

The number of gears on a crankset depends on the type of riding and personal preference. More gears provide a wider range of options for varying terrain, but it may not necessarily be better for everyone. It’s essential to choose a crankset with an appropriate number of gears based on your riding style and needs.

Why Shorter Crankets are better?

Shorter crank arms can offer advantages such as improved ground clearance, reduced pedal strikes on rough terrain, and a potentially more aerodynamic riding position. However, the choice of crank arm length should also consider factors like rider height and leg length.

cnc crankset 3

Are There Universal Models of Cranksets?

Cranksets come in various designs and standards, so there’s no one-size-fits-all model. Compatibility with your bicycle frame, bottom bracket type, and intended use should be considered when selecting a crankset.

Why Choose CNC Machining for Crankset?

CNC machining is the preferred choice for crafting cranksets due to its unmatched precision, customization options, material versatility, and overall contribution to enhancing cycling performance. Whether you’re a professional athlete or a casual rider, a CNC-machined crankset can make a significant difference in your cycling experience.

cnc crankset 5

What Materials Are CNC Cranksets Typically Made From?

CNC cranksets are often made from materials like aluminum, steel, or titanium. These materials offer a balance between strength, weight, and stiffness, depending on the rider’s preferences and budget.

What Customization Options Are Possible for CNC Cranksets?

CNC machining allows for customization in terms of design, weight reduction, and aesthetics. Riders can often choose specific chainring sizes, crank arm lengths, and even personalized engraving or graphics to match their preferences and style.

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We’ve covered the essentials of CNC cranksets, from their composition to customization possibilities. As cycling technology evolves, CNC machining continues to play a crucial role in creating top-notch cranksets. Choose your crankset wisely, and may it enhance your cycling experience to the fullest.

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