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Lightweight to reduce your mental fatigue

Modern bicycles demand lightweight yet durable parts. CNC machining allows for the production of complex, high-strength, and precise components that improve performance, safety, and aesthetics.

They are usually produced from aluminum or other mental/ plastic material with high precision, light weight, and consistent quality. Common parts include stems, cranks, pedals, hubs, and brake components.

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Bicycle Industry

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Bicycles are widely used in commuting, racing, leisure, tourism, and fitness. With the trend of carbon neutrality and healthy lifestyles, the bicycle market continues to grow rapidly, especially in:

* Road bikes – focusing on lightweight and aerodynamic design.
* Mountain bikes – requiring high strength and durability to withstand shocks and rough terrain.
* E- bikes – the fastest-growing segment, combining motors, sensors, and precision parts.
* City & shared bikes – requiring high wear resistance and corrosion protection for intensive outdoor use.

CNC precision machining has become the core technology for producing high-end bicycle components.

Why Choose REKO for Bicycle CNC Machining

In cycling, precision drives performance. Our ISO 9001 certified process and 5-axis CNC machining achieve ±0.01mm accuracy with lightweight aluminum and stainless steel parts built for speed, strength, and endurance.

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ISO 9001 certified quality system.

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5-axis CNC machining, tolerance up to ±0.01 mm.

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Fast prototyping & flexible volume production.

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Integrated surface finishing (anodizing, plating, blasting, etc.).

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Strict inspection to ensure stable quality.

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Extensive cooperation with premium European & US bicycle brands.

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Custom packaging and branding solutions.

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More than 10 years of CNC machining experience.

Industry Challenges

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Balance between lightweight and strength.
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Corrosion and weather resistance for outdoor conditions.
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Premium surface quality to meet high-end customer demand.
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High assembly accuracy, tight tolerance and concentricity.
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Fast prototyping & customization with short product cycles.
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Rising demand for sustainability and eco-friendly materials.

Bicycle Parts Requirements

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The impact of bicycle material selection on performance
Weight

Material density directly determines vehicle weight, and lightweighting is a key consideration for both road and mountain bikes.

Strength & Durability

Materials with insufficient strength are prone to deformation or cracking, impacting safety; high-strength materials can withstand off-road or high-speed impacts.

Stiffness vs. Comfort

Materials with high stiffness offer better transmission efficiency but lower comfort; materials with a certain degree of flexibility absorb vibration and enhance the riding experience.

Material Category Specific Grade Key Features Typical Performance Application
Aluminum 6061 / 7075/6082 etc. Lightweight, corrosion-resistant, easy machining Tensile 290–570 MPa Frames, handlebars, rims, cranks
Stainless Steel SUS304 / SUS316 etc. High strength, corrosion resistance, fatigue resistance Tensile 520–620 MPa Axles, hubs, fasteners
Plastics POM / PA66 / Nylon etc. Wear-resistant, lightweight, self-lubricating Hardness HB 80–120 Pedals, bushings, chain guides
Copper & Brass H59/H63 etc. Natural golden color, suitable for decorative parts Tensile 3100–500 MPa Bushings, washers, and spacers
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Why These Properties Matter

  • Strength & lightweight → improves climbing and long-distance performance.
  • Corrosion & weather resistance → ensures durability in rain, mud, and humidity.
  • Aesthetic surface finish → attracts premium customers.
  • Fatigue resistance → guarantees safety in long rides and rough terrain.
  • Surface Treatment Options

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    Anodizing

    Applied Materials:

    Aluminum

    Improves corrosion resistance, wear resistance, and allows coloring (decorative finish).

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    Black Oxide

    Applied Materials:

    Carbon Steel Stainless Steel

    Strength & wear resistance, for gears & bolts. Provides mild corrosion resistance, reduces light reflection, aesthetic black finish.

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    Bead Blasting

    Applied Materials:

    Aluminum, Stainless Steel,

    Creates a matte finish, improves coating adhesion, and enhances part appearance.

    bicycle_cnc_surface_treatment_electroplating

    Electroplating

    Applied Materials:

    Stainless Steel, Brass, Zinc, Aluminum

    Enhances corrosion resistance, improves appearance, adds specific functional properties (e.g., conductivity).

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    Heat Treatment

    Applied Materials:

    Steel Stainless Steel

    Adjusts hardness, strength, ductility, or stress relief.

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    Polishing

    Applied Materials:

    Aluminum, Stainless Steel, Brass

    Produces a smooth glossy finish, improves aesthetics and ease of cleaning.

    Customer Case Study

    Client Overview:

    European bicycle manufacturer known for its high-quality road, gravel, and mountain bikes. The company emphasizes customization, precision, and performance, offering riders tailor-made bicycles with advanced materials and finishes.

    Challenges

    Ensure lightweight and durable parts for competitive bicycles. Balance performance with attractive finishes to match customer preferences. Balance performance with attractive finishes to match customer preferences.

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    What solutions did we provide for this client?

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    CNC Machining for Precision Parts / CNC

    Stems, crank arms, hubs, and small connectors produced with CNC lathes & mills. CNC machining ensures tight tolerances, stability, and lightweight design.

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    Surface Treatments

    Anodizing & Hard Anodizing for aluminum parts → corrosion resistance & color customization. Polishing & Brushing for titanium and stainless steel → premium aesthetic finish.

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    Results

    Reduced weight of key CNC aluminum parts by 15%, improving rider efficiency. Enhanced corrosion resistance with anodized finishes, extending part life. Increased customer satisfaction due to custom color options.

    Customer Response

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    Bicycle FAQs for CNC Machining

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