Triple Clamp

Forged Aluminum Bicycle Triple Clamp (6061): Fork Crown Balancing Machinability and Corrosion Resistance

This 6061 forged aluminum bicycle triple clamp is a suspension fork crown with a central steerer bore and two fork-leg bores joined by offset arms. Made of 6061 aluminum with a published weight of 0.518 kg, its arm sections are slightly fuller than the 6066 version, suiting fork designs that prioritize a balance of machinability, corrosion resistance and cost.

6061 is a widely used 6xxx alloy in the bicycle industry and takes anodizing and heavy CNC machining well. Al Forge Tech (AFT) closed-die hot forges the clamp, machines the three bores and clamping slots after in-house T6 heat treatment, and can dye-anodize to the brand's specification. AFT's bicycle parts include triple clamps, stems, seat posts, cranks and brake calipers.

Key Features

• 6061 aluminum, 0.518 kg (published specification)
• Balanced machinability and corrosion resistance; suits dyed anodizing
• All three bores machined in a single CNC setup
• Can be developed alongside stems, steerers and other front-end parts

Forged Aluminum Bicycle Triple Clamp (6061) Specifications and Manufacturing Capability

Forged Aluminum Bicycle Triple Clamp (6061) Manufacturing Process

1. Drawing review and DFM: we confirm alloy, load direction and critical dimensions, then run QForm simulation to predict metal flow and defect risk.
2. Die design and manufacturing: the number of die sets (for example, blocker and finisher dies) is planned around part complexity, and die contours are checked with a portable 3D scanner.
3. Hot forging: closed-die forming on 600T–8,000T hot forging presses creates a continuous grain flow that follows the part contour.
4. Heat treatment: T4 solution treatment and T6 artificial aging are performed in-house, with parameters set by alloy and strength requirement.
5. CNC machining and finishing: holes, threads and mating surfaces are machined, followed by deburring, vibratory finishing, shot blasting or anodizing as required.
6. Inspection and shipment: dimensions, hardness and chemical composition are verified with CMM, hardness testers and a spectrometer, with lot traceability kept under IATF 16949.

FAQ

When is a 6061 triple clamp the better choice?

When stable machinability, corrosion resistance and anodized appearance are priorities and the design allows enough section, 6061 is a proven choice; if more strength is needed from a smaller section, the 6066 version can be evaluated. The final alloy should follow the fork's load design and test standard, and AFT can offer forging and heat-treatment options in both alloys for comparison.

Can AFT develop other front-end parts besides the triple clamp?

Yes. AFT's forged bicycle parts include triple clamps, stems, steerer tubes, suspension tubes, seat posts, cranks, spiders and brake calipers. A brand's front-end parts can be developed together under shared material specifications and inspection standards, simplifying supply-chain management.

Can the Forged Aluminum Bicycle Triple Clamp (6061) be anodized or given other surface finishes?

Yes. Al Forge Tech offers anodizing (including hard anodizing), shot blasting, vibratory finishing, e-coating and painting, plus pickling and ultrasonic washing lines to clean parts after machining. Please note the finish type and film thickness on the drawing so machining allowances and cosmetic standards for the Forged Aluminum Bicycle Triple Clamp (6061) can be evaluated together.

How are MOQ and lead time for the Forged Aluminum Bicycle Triple Clamp (6061) determined?

MOQ and lead time depend on part size, number of die sets, alloy and machining scope, and are confirmed in the quotation after drawing review. The typical sequence is die development, forged samples, sample approval and then mass production. Sharing your annual volume and call-off schedule helps us plan dies and capacity for the Forged Aluminum Bicycle Triple Clamp (6061).

Can you assess forging feasibility while the Forged Aluminum Bicycle Triple Clamp (6061) is still in design?

Yes. Al Forge Tech works mainly as an OEM supplier, and our engineers can give design-for-manufacturability (DFM) feedback at the concept or drawing stage, such as adjusting thin ribs, abrupt section changes or draft angles to avoid laps and underfill. QForm simulation predicts metal flow early, and the results are cross-checked against our die design experience.

Request a Quote for the Forged Aluminum Bicycle Triple Clamp (6061)

Developing a new Forged Aluminum Bicycle Triple Clamp (6061) or converting an existing part to aluminum forging? Send us your 3D/2D drawings, alloy and temper, annual volume and finishing requirements. Our engineering team will reply with a feasibility review, die plan and quotation.

• Online inquiry: Contact Us
• Email: aft@aft-forge.com.tw

To compare similar parts, browse Aluminum Forging Bicycle Parts and our bicycle aluminum forging applications, or visit About Us for our equipment and certifications.