Bicycle CNC Machining

Elimold offers custom bicycle parts manufacturing services, including CNC milling, CNC turning, 4-axis and 5-axis machining, drilling, tapping, mill-turn machining, surface finishing, and dimensional inspection. We support prototyping, small-batch production, and repetitive production of custom bicycle parts. Contact us now for a project analysis and quote.

Professional CNC Machining Services for Bicycle Parts

Elimold offers precision CNC-machined bicycle parts designed for real-world riding environments, ensuring impeccable assembly accuracy and consistent repeatability throughout the production process. We typically work with bicycle brands, OEM manufacturers, and product developers who require more than just machined parts; they need components that seamlessly integrate into complete mechanical systems. Whatever type of bicycle part you need, we can provide products that meet your quality requirements.

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Bicycle CNC Machining Factory

We own our 125,000 square meter factory, eliminating middlemen and outsourcing. Equipped with over 136 CNC machining centers, we can machine bicycle parts with an accuracy of ±0.02 mm. This direct control ensures consistent tolerances from the first prototype to mass production, eliminating the need to transfer products to other factories during the mass production stage. Therefore, we can serve both custom bicycle manufacturers ordering single prototypes and manufacturers purchasing over 10,000 parts. All products are ISO9001 certified and undergo first-article inspection, and each production batch is verified using a Zeiss coordinate measuring machine (CMM).

From Concept to Finished Components

We undertake your mechanical design projects, from initial concept to final product, and even delivery of production-ready parts. Whether you’re developing a new bicycle, customizing components, or improving production processes, our professional engineering expertise, extensive practical experience, and advanced CNC equipment enable us to produce bicycle parts with extremely high precision and consistency. Furthermore, with high-strength materials, perfect surface finishes, and rigorous quality control, we can help you bring high-performance bicycle parts to market faster and more reliably. Helping you successfully complete your tasks.

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Your Partner for CNC Machining of Bicycle Parts

Elimold’s professional team also utilizes Swiss-type CNC machine tools to produce precision bicycle parts. We understand the bicycle industry’s ongoing demand for precision components, and therefore, we also provide superior quality through Swiss-type lathes. Our in-house factory, in addition to advanced CNC machining centers, boasts over 100 Swiss-type CNC machine tools, capable of meeting the needs of large-scale production. For mutual success, we use the same measuring tools as our customers, thereby reducing errors, shortening inspection times, and improving operational efficiency in producing high-quality CNC bicycle parts. Our unwavering commitment to quality, innovation, and customer satisfaction makes us a trusted partner for many well-known bicycle braking system customers in the US and Germany.

Rapid DFM Feedback for CNC Bicycle Parts

Our six project engineers, each with 20 years of experience, provide rapid DFM (Design for Manufacturability) feedback for bicycle structural components, ensuring your design is optimal before production. Engineers will offer optimization suggestions on part machining feasibility, adjust tolerances to ensure smooth assembly, provide cost optimization solutions, and offer material selection recommendations. With our expert guidance, your parts will not only be easier to machine but also more stable and reliable. Get DFM feedback now! Upload your drawings to quickly obtain professional optimized design solutions.

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CNC Machining Types for Bicycle Components

Our bicycle manufacturing capabilities combine precision machining with specialized processes, fully utilizing multi-axis CNC technology and advanced materials technology. We are committed to providing high-precision, high-reliability components to ensure the efficient and safe operation of bicycle equipment.

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5-Axis CNC Machining

Our 5-axis CNC machining capabilities can manufacture precision cranksets, pedals, hubs, stems, and suspension components, regardless of the complexity of the geometry, tight tolerances, and lightweight design, enabling mass production suitable for high-performance bicycles.
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CNC Milling

Elimold offers 3-axis, 4-axis, and 5-axis CNC milling to meet the diverse manufacturing needs of bicycle components. We can produce precision bicycle parts with tight tolerances, optimized lightweight designs, and excellent surface finishes, supporting prototyping, small-batch production, and mass production.
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CNC Turning

CNC turning plays a crucial role in the manufacturing of high-precision rotating parts in the bicycle industry. Our manufactured parts, such as axles, spindles, shafts, crank bolts, sprocket bolts, and stem bolts, feature excellent concentricity and surface finish.
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Mill-Turn Machining

Mill-turn machining provides an integrated solution for producing complex rotary-milled bicycle components in a single setup. Suitable for parts requiring precision turning and multi-face milling, it offers tolerance stability, geometric accuracy, and surface finish, shortening cycle times and supporting high-performance bicycle manufacturing and cost-effective OEM production.
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Swiss CNC Machining

Swiss-type CNC machining is ideal for producing small, high-precision rotary bicycle parts requiring extremely high tolerances and concentricity. Swiss turning excels at machining slender, miniature, and geometrically complex parts while maintaining micron-level precision, making it ideal for high-performance bicycle components and high-end OEM parts.
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Custom Fasteners

Elimold supplies high-precision bicycle fasteners, including crank bolts, sprocket bolts and nuts, and stem bolts, in materials including steel, stainless steel, aluminum, and titanium. We employ CNC machining and rigorous quality control to ensure our products have high strength, corrosion resistance, and consistent compatibility, making them suitable for both original equipment and aftermarket bicycle applications.
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High-Standard CNC Machining Services for Bicycles

The bicycle industry has extremely high requirements for products, demanding not only precise specifications but also the highest standards of reliability and quality. Leveraging advanced technology and in-house engineering and manufacturing expertise, we are able to design, manufacture, and deliver the industry’s highest quality products and components. At Elimold, we are committed to providing premium metal components that meet the stringent requirements of the sports and leisure industry, particularly in the bicycle sector. Our dedication to precision machining, innovative design, and material selection enables us to produce components that combine superior functionality and aesthetics.

Bicycle Machining Parts Tolerance Standards

Our bicycle parts maintain precise tolerances and consistent precision. The standard tolerance for our metal bicycle parts is ISO 2768-m, and for plastic parts, it is ISO 2768-c. We utilize CNC turning, CNC milling, Swiss-type turning, and five-axis machining to achieve precision tolerances as low as ±0.01 mm, depending on the material, geometry, and machining process. We ensure that every component meets extremely stringent tolerance requirements. Our expertise in custom CNC machining enables us to maintain consistently high quality in high-volume production.

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Rapid Prototyping and Efficient Mass Production of Bicycle Parts via CNC Machining

The manufacturing process of a high-quality bicycle involves multiple key stages, each requiring customized CNC machining and precise control to ultimately determine the riding experience. We integrate advanced engineering technology and exquisite craftsmanship to transform raw materials into high-performance components. Furthermore, Elimold offers small-batch production services after prototype completion, delivering quickly for assembly and testing. Our one-stop service involves our engineers collaborating with you to handle machining details and finalize the parts. Whether your order is one set, 300 sets, or over 100,000 sets, we can complete it quickly.

Fast-Turning Bicycle Machining

You can receive a quote within 4 hours, DFM feedback within 12 hours, and a prototype sample within 24 hours. Parts delivery time is 10-15 days, with small batch orders shipped as quickly as 7 days. Mass production orders of 10 to 100,000 pieces or more typically take 2-4 weeks to complete, depending on complexity and surface finish requirements. There is no minimum order quantity for prototypes, and individual test components receive the same first-article inspection report as mass-produced products. We are ISO quality system certified, meaning your bicycle components will be shipped with complete quality documentation and material traceability.

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CNC Bicycle Parts Applications

We have completed high-performance frame and component projects for numerous clients from the EU, USA, and Japan. Below are the types of bicycles for which we custom-machine bicycle parts.

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Road Bikes

Our machining processes ensure smooth gear meshing and precise brake and seatpost mounting.
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Mountain Bikes

CNC bicycle parts withstand rough terrain and impacts while ensuring high precision.
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E-Bikes

Motor mounts, battery mounts, sensor housings, controller covers, frame inserts, and durable e-bike hardware.
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A Trusted CNC-Machinered Bicycle Component Manufacturer

Our machining philosophy centers on achieving the ultimate strength-to-weight ratio, ensuring that every component delivers explosive power transmission without adding a single gram of extra weight. We utilize high-specification custom CNC machining technology, employing advanced topology optimization methods to remove material from non-load-bearing areas while reinforcing critical stress points. Whether using 7075-T6 aluminum alloy or Grade 5 titanium alloy, our precision milling processes ensure that racing-grade components, from the crankset to the stem, maintain zero deformation under extreme torque. We combine aerospace-grade precision with a passion for cycling, empowering riders to confidently push their limits, knowing their gear combines speed and stability.

One-Stop Custom CNC Machining Solution for Bicycles

We offer a one-stop solution for custom CNC parts manufacturing for bicycles, simplifying your production process. We excel in precision drilling and vibrant surface finishes. With years of experience serving high-end clients in Europe and North America, our products meet the highest international standards. Our factory holds stringent management certifications (ISO standards), ensuring consistently superior quality in every batch of bicycle parts. Choosing our custom CNC machining service means gaining a trusted partner dedicated to optimizing your supply chain and providing you with high-performance, racing-grade products.

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12-Step Quality Inspection Process

We have a professional quality control management team and advanced high-precision testing equipment to strictly control every step from raw materials to shipment. Through comprehensive post-inspection and a transparent, real-time process, we ensure product quality. This rigorous process guarantees a 98.8% product yield, providing superior quality and reliability.

DFM Analysis

Before CNC machining, engineers conduct Design for Manufacturing (DFM) analysis to identify and address potential problems in advance. This ensures design optimization, improving manufacturing efficiency, minimizing defects, and reducing processing costs.

Dimensional Identification

We check that parts meet specified dimensional tolerances, ensuring the technical feasibility of tolerance design and optimizing production processes to meet your quality requirements and cost-effectiveness.

Material Testing

We source raw materials from trusted, long-term suppliers to ensure stable and reliable quality. We also provide inspection reports from third-party organizations such as SGS, CTI, and TUV to guarantee that materials meet relevant standards.

Manufacturing Process Control

We have a dedicated team responsible for tracking order progress and maintaining detailed records for each production run. We share photos and videos with our clients openly and transparently, allowing you to monitor the manufacturing process at any time.

IPQC/FQC

Dimensional tolerance checks are performed every two hours, along with first-piece and in-process quality inspections to ensure consistent process quality and stability.

SPC/CPK

Statistical analysis methods are used to monitor and control the production process, and inspection reports are provided.

Problem Identification

If any deviations, defects, or non-compliance issues are found during processing, a meeting will be held immediately to resolve the problem.

Problem Resolution

Response within 30 minutes, solution provided within 2 hours, and problem resolved within 1 day.

OQC

Before leaving the factory, CNC parts undergo 100% dimensional inspection according to customer drawings. Inspection reports are provided before proceeding to the next processing stage.

Surface Treatment

In addition to standard surface treatments, various special surface treatment processes are available. All surface-treated parts undergo 100% visual inspection upon returning to our factory.

Comprehensive Inspection

Quality control experts inspect parts at each stage of production using tools such as 3D/2D projectors, height gauges, thread and surface roughness testers, etc. We provide complete parts dimension inspection reports.

Packaging

Multiple packaging methods are available to prevent damage to goods. Packaging is convenient to carry and environmentally friendly. Customization is accepted. Common packaging materials include pearl cotton and bubble wrap.

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Custom CNC Machining Materials for Bicycle Parts

In the field of custom CNC machining of bicycle parts, material selection is crucial for achieving optimal performance, durability, and weight balance. Elimold offers a variety of high-quality materials to meet the specific needs of different bicycle components and riding environments.

  • Aluminum
  • Titanium
  • Stainless Steel
  • Steel
  • Carbon-fiber
  • Copper
  • Brass
  • POM
  • Nylon
  • PEEK

Surface Treatment in CNC Machining of Bicycles

Bicycle components undergo various surface treatment processes to enhance durability, corrosion resistance, and appearance. These surface treatments ensure that bicycle components maintain their performance in a variety of applications, including road bikes, mountain bikes, and e-bikes.

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As Machined

Ra 3.2μm / Ra 126μin, Removes sharp edges and burrs
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Anodizing

Forms an oxide layer on the surface of metals (e.g., aluminum, magnesium) to provide durability and corrosion resistance.
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Polishing

Ra 0.2μm / Ra 8μin, Makes the surface smoother, improving appearance and reducing friction.
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Sand Blasting

Ra 3.2μm / Ra 126μin,Removes sharp edges and burrs,Uses high-speed abrasive particles to strike the surface and remove rust, old coatings, oxides, and impurities.
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Brushed Finish

Forms uniform, fine linear textures on metal or other materials through mechanical processing, creating a satin finish that is resistant to fingerprints.
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Powder Coating

Uses powder coatings for a dry finishing process, offering strong durability and allows for a wide range of color and texture selections.
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Conventional Spray

Delivers uniform, fine-grained coverage for diverse surfaces. Easy to apply, fast-drying, and reliable.
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Electroplating

Forms a dense, corrosion-resistant metal coating—such as through galvanizing, nickel plating, or chrome plating—by reducing dissolved metal cations using electric current.
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Black Oxidize

Ra 3.2μm / Ra 126μin,Removes sharp edges and burrs,Uses high-speed abrasive particles to strike the surface and remove rust, old coatings, oxides, and impurities.
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Electropolish

Removes micro-burrs and impurities from metal surfaces using electrochemical principles.
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Alodine

Immerses aluminum in a chromate solution to form a thin, dense conversion coating that improves corrosion resistance and enhances paint or coating adhesion.
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Heat Treatment

Uses controlled heating and cooling cycles to enhance the metal's mechanical properties. This process increases hardness, improves strength.

CNC Machined Bicycle Parts Types

Elimold produces a wide range of precision CNC-machined bicycle parts. Each part is meticulously crafted to meet your specific specifications and size requirements. We focus on the strength, fit, and durability of our parts to ensure your bicycle performs at its best. Below are some key components where we pay particular attention to detail.

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Bike Stems

Our bicycle stems are precision-machined from aluminum alloy, making them lightweight yet strong. The precise connection between the handlebars and fork ensures responsive steering. We rigorously control the size of all fork stems for a perfect fit.
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Dropouts

We machine wear-resistant metals and ensure precise dimensions to maintain wheel stability even on rough terrain. They are resistant to bending and wear, and maintain reliable performance over the long term.
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Chainrings

We machine precision sprocket teeth to ensure smooth shifting. Our CNC machining process ensures consistent tooth profiles, minimizing chain slippage and wear. We can combine aluminum alloy and steel to achieve a balance between weight and strength.
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Hubs

We manufacture our hubs using high-precision machining processes to ensure smooth rotation and minimal backlash. Our hubs are compatible with multiple axle standards, feature excellent surface treatments, and are corrosion-resistant. They operate reliably and are suitable for long-distance riding.
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Brake Caliper Mounts

Our brake brake brackets are perfectly matched to your braking system. This not only improves braking performance and safety but also prevents rust and excessive braking force. We use stainless steel and aluminum alloy materials.
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Seat Clamps

Our machined seatpost clamps securely grip the seatpost without damaging the frame. We pay special attention to the inner diameter and surface treatment to prevent scratches and slippage. Therefore, they provide easy-to-adjust clamping force.
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Headsets

Our precision-machined headsets ensure smooth steering and durable performance. Precise fit minimizes backlash and noise, and our machined parts are compatible with other types and sizes of bearings to match your bicycle's design.
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Pedal Axles

We can machine highly balanced pedal axles designed to minimize vibration. Precision machining helps extend bearing life and improve riding comfort. We use standard steel grades to ensure its robustness and durability.
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Suspension Linkages

Our composite suspension links allow for free movement under load. Each joint is precision-cut to ensure extremely small tolerances. This guarantees your bicycle absorbs shocks while maintaining excellent handling.
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Dropper Post Parts

Dropper posts and their accessories must be compatible to ensure no issues when adjusting seatpost height. We manufacture these components to precise dimensions to ensure smooth and stable seatpost movement.
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Spacers

Our shims help you adjust handlebar height and position. We use precision machining to make the shims extremely thin and smooth, ensuring no wobbling during adjustment.
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Derailleur Hangers

Derailleur lugs ensure the frame is not exposed and allow for smooth shifting. Our lugs fit perfectly, are robust and durable, and will not bend or deform even under impact.

FAQ

Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast

Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast

Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast

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