5-axis CNC milling drawing: Al 7075-T6 block with pockets, toolpath and dimensions

CNC for Bicycle Components

Premium stems. Precision hubs. Weight optimized.

Q: Weight optimization techniques?

Bicycle components are extremely weight-sensitive. Techniques: 7075-T6 over 6061 (enables thinner walls), topology optimization (remove non-load-bearing material), Ti Gr.5 over 7075 (40% lighter than steel for same strength), forged + CNC vs fully CNC (forging gives stronger material, reduced machining). For a premium MTB stem: CNC 7075 weighs 130g; Ti Gr.5 same geometry 90g; fully optimized Ti stem 70g.

Q: Fatigue testing requirements?

Premium bicycle components require fatigue testing per EN 14764 (road), EN 14766 (MTB), or ASTM F2711 (e-bike). Stems tested to 300,000 cycles at specified load. Cranks tested to 100,000 cycles per ISO 4210. We can design to these specs; customer responsible for test certification. Our experience with aerospace fatigue-critical components transfers directly to bike component design.

Q: Anodize color options?

Standard anodize colors: silver, black, red, blue, green, gold, orange, purple. Pantone matching available for brand-specific colors. Type II decorative anodize on aluminum. Type III hardcoat available where wear resistance matters (brake caliper pistons, for example). For MTB components, matte finishes preferred; for road, bright finishes common.

Q: Titanium vs aluminum trade-offs?

Aluminum 7075-T6: cheaper, lighter for bulk parts, can be anodized any color. Limitation: fatigue life. Ti Gr.5: more expensive ($60-80/kg vs $5-8 for 7075), better fatigue life, inherent corrosion resistance, premium aesthetic. For lifetime components (frames, stems): Ti Gr.5 worth it. For components that see crashes (handlebars, derailleur hangers): replaceable aluminum cheaper in long run.

Q: Precision for hub bearings?

Hub bearing seats: ±0.01 mm diameter tolerance for proper bearing press-fit. Angular alignment between left and right hub bearing seats: ±0.05 mm concentricity. Bearing preload adjustable via shims or adjuster rings. Quality hub performance directly tied to bearing seat precision. We manufacture to required precision with CMM verification.

Q: Production quantities?

Boutique bike components: 50-500 per design. Small-batch CNC cost-effective. Mid-volume: 500-5,000 per year. Still CNC-economical with batch optimization. High-volume (>10,000): may transition to hot forging + CNC finishing for cost reduction. We support the full range — prototype through production ramp.

CNC machining of premium bicycle components: stems, handlebars, cranksets, hubs, dropouts, brake calipers. 7075-T6 aluminum for cost-effective lightweight, Ti Gr.5 for premium builds. Supporting road, MTB, gravel, BMX — prototype through production.

Email an RFQ WhatsApp us All applications

Material-specific partsWuxi, ChinaMOQ 1 partDFM review included

Technical plate for Premium stems. Precision hubs. Weight optimized.

How we run it

CNC for bicycle components

Different cycling disciplines have different requirements — road cycling prioritizes weight, MTB prioritizes strength and impact resistance, gravel balances both. We serve all segments.

3-7 daysTypical lead time

MOQ 1No minimum quantity

<4 hQuote response

ISO 9001Quality system

01 · Bicycle components

Bike components we manufacture.

Stems

Road and MTB stems. Clamp bolt designs, aerospace 7075-T6 for strength-to-weight. 31.8mm and 35mm bar clamps.

Handlebars

Premium aluminum handlebars. 7075 for weight-critical road, 6061 for durability MTB.

Cranksets

CNC-machined crank arms, spider attachments. BCD patterns for standard chainring spacing.

Hubs

Front and rear hub shells. Precision bearing seats for sealed cartridge bearings.

Dropouts

Frame dropouts for thru-axle or QR axles. Replaceable derailleur hangers.

Pedals

Platform pedals and clipless pedal bodies. Ti Gr.5 spindles for weight reduction.

Brake calipers

Mechanical and hydraulic disc brake caliper bodies. Precision piston bores for hydraulic.

Seatpost

Aerodynamic and round seatposts. Integrated clamp mechanisms.

Specialty hardware

Cable guides, grip end caps, specialty mounting hardware for custom builds.

Different cycling disciplines have different requirements — road cycling prioritizes weight, MTB prioritizes strength and impact resistance, gravel balances both. We serve all segments.

02 · Bicycle customers

Bicycle customers we serve.

Boutique frame builders

Custom frame builders — specialty small-batch components

Premium component OEMs

Established premium bike component brands

Mountain bike specialists

MTB component manufacturers — trail, XC, enduro, DH

Road cycling OEMs

Premium road bike component manufacturers

Gravel bike specialists

Gravel cycling equipment manufacturers

BMX manufacturers

BMX bike component manufacturers — stems, forks, handlebars

E-bike manufacturers

E-bike specific components — motor mounts, battery hardware

Cargo bike builders

Cargo bike specialty hardware

Pro team support

Pro team custom components for specific race requirements

Get an instant quote

Send your CAD — we reply with detailed pricing, lead time, and DFM feedback within 4 working hours.

Talk to an engineer

WhatsApp our team directly. Most messages answered within 12 minutes during work hours.

Explore all services

CNC, 3D printing, injection molding, sheet metal, casting, finishing — one quality system, one partner.

FAQ

Premium stems — questions

Weight optimization techniques?

Bicycle components are extremely weight-sensitive. Techniques: 7075-T6 over 6061 (enables thinner walls), topology optimization (remove non-load-bearing material), Ti Gr.5 over 7075 (40% lighter than steel for same strength), forged + CNC vs fully CNC (forging gives stronger material, reduced machining). For a premium MTB stem: CNC 7075 weighs 130g; Ti Gr.5 same geometry 90g; fully optimized Ti stem 70g.

Fatigue testing requirements?

Premium bicycle components require fatigue testing per EN 14764 (road), EN 14766 (MTB), or ASTM F2711 (e-bike). Stems tested to 300,000 cycles at specified load. Cranks tested to 100,000 cycles per ISO 4210. We can design to these specs; customer responsible for test certification. Our experience with aerospace fatigue-critical components transfers directly to bike component design.

Anodize color options?

Standard anodize colors: silver, black, red, blue, green, gold, orange, purple. Pantone matching available for brand-specific colors. Type II decorative anodize on aluminum. Type III hardcoat available where wear resistance matters (brake caliper pistons, for example). For MTB components, matte finishes preferred; for road, bright finishes common.

Titanium vs aluminum trade-offs?

Aluminum 7075-T6: cheaper, lighter for bulk parts, can be anodized any color. Limitation: fatigue life. Ti Gr.5: more expensive ($60-80/kg vs $5-8 for 7075), better fatigue life, inherent corrosion resistance, premium aesthetic. For lifetime components (frames, stems): Ti Gr.5 worth it. For components that see crashes (handlebars, derailleur hangers): replaceable aluminum cheaper in long run.

Precision for hub bearings?

Hub bearing seats: ±0.01 mm diameter tolerance for proper bearing press-fit. Angular alignment between left and right hub bearing seats: ±0.05 mm concentricity. Bearing preload adjustable via shims or adjuster rings. Quality hub performance directly tied to bearing seat precision. We manufacture to required precision with CMM verification.

Production quantities?

Boutique bike components: 50-500 per design. Small-batch CNC cost-effective. Mid-volume: 500-5,000 per year. Still CNC-economical with batch optimization. High-volume (>10,000): may transition to hot forging + CNC finishing for cost reduction. We support the full range — prototype through production ramp.

Keep reading

PifyC

Send a CAD file. Get an engineering-reviewed quote.

No minimum quantity, free DFM feedback from a senior manufacturing engineer, and an NDA signed before file review on request.

Email the RFQ WhatsApp the team How quoting works