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Precision Machining for Custom Bicycle Parts

As a leading manufacturer of high-performance custom bicycle parts, DEK has advanced 5-axis machining capabilities to produce complex, consistent parts with tight tolerances of ±0.005 mm.

Whether it's a new frame prototype, precision shafts, or custom drive components, we provide high-quality services and a variety of surface treatments to enhance performance and appearance. We use CMM for in-house quality inspection to ensure the quality of parts.
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Bicycle Parts
Introduction

Precision Machining for Custom Bike Parts

Precision Machining for Custom Bike Parts

Bicycle parts like hubs, crank arms, and linkages often require tight tolerances, smooth surface finishes, and high repeatability. Thin walls and long axial features increase the machining difficulty.

DEK uses 5-axis machining, high-speed spindles, and custom fixturing to maintain geometric tolerance and surface flatness. All parts undergo pre-anodizing burr removal and concentricity checks with roundness instruments.

From lightweight aluminum to titanium, we apply optimized toolpaths and in-process inspection to minimize deformation and improve life-cycle fatigue resistance.

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Lightweight Materials

Expertise in 7075/6061 aluminum, titanium, and stainless steel.

5-Axis Machining

Improved access for undercuts and curved surfaces.

Ra 0.8μm Finish

Mirror polishing or anodizing-ready surfaces.

Low-Volume Ready

Supports prototypes as low as 1 pc.
capabilities

Machining Capabilities

5-Axis Machining for Complex Geometry

We use simultaneous 5-axis milling for complex shapes such as crank arms or frame junctions. This ensures consistent wall thickness and improved strength-to-weight ratio in load-bearing bike parts.

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Sub-10μm Roundness for Bearing Fits

We control roundness and runout with high-precision boring heads and verify using roundness gauges and CMM. Ideal for hubs and bottom bracket parts.

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Stress-Relieved Machining for Titanium

Titanium bicycle parts are pre-heat treated and machined with optimized feeds to reduce stress and prevent warping. Surface passivation is available.

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Deburring & Surface Prep for Anodizing

All aluminum parts are manually and mechanically deburred prior to anodizing. We control chamfer size and edge break as per drawing.

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Threading & Press Fits Control

We inspect threaded and press-fit zones using GO/NO-GO gauges and bore micrometers. Thread quality is verified before surface treatment.

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In-house CMM Inspection for Fit Precision

Critical dimensions such as shaft diameters, hole alignment, and concentricity are verified with CMM and roundness testers. Each part includes full inspection records where required.
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DFM Support for Lightweight Design

Our engineers support weight reduction while maintaining strength, using FEA data and machinability feedback to suggest better fillet radii, rib placement, and wall thickness.
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Custom Packaging for Anodized Parts

We use anti-scratch EPE foam or vacuum-sealed film to protect anodized or polished surfaces. Export packaging available with optional labeling.
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Batch Repeatability Control

SPC is used for medium batches to control key dimensions across production runs. Tool life and wear compensation are applied after sampling.
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Experienced Engineering Team

All quotes and DFM suggestions are reviewed by engineers with over 10 years of experience in bicycle component machining, not just salespeople.
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TESTIMONIALS

Testimonials

What Makes Us Different

DEK provides the precision, speed, and zero-defect manufacturing that mechanical engineers trust for their most critical applications.

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1 PC

1 PC MOQ

We support low-volume production for trials or pilot batches—no need for bulk commitment.
6–12h

6–12h Quote Turnaround

Quotes are evaluated manually by senior engineers to ensure accurate cost and feasibility.
48h DFM

48h DFM Feedback

You receive detailed manufacturability suggestions within 2 working days to avoid delays or rework.
FAQ

Bicycle Parts Buying FAQs

We evaluate drawings manually, considering tolerance, material, and surface treatment. Get a quote here.
Yes, we sign NDAs to protect your intellectual property.
Typically 5–12 working days depending on part complexity and material.
Yes, including hard anodizing and color options, post-machining burr removal included.
Brushed, polished, anodized, bead-blasted depending on alloy and design.
EPE foam, film wrapping, and export boxes. Custom packaging available on request.
STEP, IGES, STL, and 2D PDFs. Upload directly to our quote page.
Yes, material and heat treatment certifications are available upon request.
Yes, including post-machining treatments like passivation or nitriding.
Yes, we can assist from prototype to small batch with the same toolpaths and setup.

Put Your Bicycle Parts into Production Today

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DEK
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