S-PARTS TC4 Titanium Front Thru Axle & Air Spring Top Cap for FOX MTB Fork

S-PARTS Titanium Upgrade Parts for FOX MTB Forks

Upgrade your compatible FOX mountain bike suspension fork with S-PARTS precision-manufactured TC4 titanium hardware.

This collection includes a titanium front thru axle and air spring top cap for compatible FOX MTB suspension forks, providing a premium alternative for riders looking for lightweight, corrosion-resistant and highly detailed titanium components.

TC4 Titanium Front Thru Axle

The S-PARTS titanium front thru axle is designed as a replacement upgrade for compatible FOX mountain bike suspension forks.

Manufactured from high-strength TC4 (Ti-6Al-4V) titanium alloy, it combines low weight, excellent corrosion resistance and high mechanical strength in a component that plays an important role in securing the front wheel to the fork.

• TC4 (Ti-6Al-4V) titanium construction
• High strength-to-weight ratio
• Excellent corrosion resistance
• Precision-machined threads and contact surfaces
• Multiple premium titanium finishes available

TC4 Titanium Air Spring Top Cap

The S-PARTS titanium air spring top cap is designed for the air spring side of compatible FOX MTB suspension forks.

Precision CNC machining provides accurate dimensions and clean interfaces, while the titanium construction adds a distinctive premium detail to the fork.

Please confirm that your exact FOX fork model and generation are compatible before ordering.

Premium TC4 Titanium Alloy

S-PARTS uses carefully selected S-grade TC4 (Ti-6Al-4V) titanium alloy for its premium titanium components.

The selected material has an average tensile strength exceeding 1050 MPa, providing an excellent combination of strength, low weight and corrosion resistance for high-performance bicycle hardware.

Precision Forging & CNC Machining

Selected S-PARTS titanium components are produced using dedicated tooling and precision manufacturing processes.

Hot-forged components are formed using dedicated dies, followed by precision CNC machining of critical dimensions, threads and contact surfaces.

This manufacturing process helps provide accurate thread engagement, consistent fitment and a refined finish.

PVD & Anodized Titanium Finishes

S-PARTS titanium components are available in a variety of premium finishes.

Depending on the selected color, PVD or anodizing processes are used to create distinctive metallic finishes while maintaining the characteristic appearance of titanium.

Choose from classic titanium tones or more distinctive colors to coordinate the fork hardware with the rest of your MTB build.

Specifications

• Brand: S-PARTS
• Product Type: MTB Suspension Fork Upgrade Parts
• Available Parts: Front Thru Axle / Air Spring Top Cap
• Compatibility: Selected FOX MTB Suspension Forks
• Material: TC4 Titanium Alloy (Ti-6Al-4V)
• Manufacturing: Precision Forging & CNC Machining
• Finish: PVD / Anodized, depending on selected color
• Application: Mountain Bike Suspension Fork

Compatibility Notice

FOX suspension fork specifications can vary by model, generation and axle configuration.

Please select the option specifically listed for your fork. Do not assume compatibility based only on fork appearance or stanchion diameter.

If you are unsure which version you need, please send us the exact FOX fork model, model year and a photo of the original component before ordering. We can help confirm compatibility.

Installation

• Compare the S-PARTS component with the original FOX part before installation.
• Make sure all threads and contact surfaces are clean and undamaged.
• Follow the fork manufacturer's installation and torque specifications.
• Do not overtighten titanium components.
• For thru axles, confirm complete thread engagement and secure front-wheel installation before riding.
• Professional installation is recommended if you are unfamiliar with suspension fork servicing.

Package Contents

The package includes the S-PARTS titanium component selected from the product options.

FOX suspension fork, wheel and other bicycle components shown in product images are for reference only and are not included.

Проверка совместимости: Из-за сложности моделей и партий оригинальных запчастей (OEM) возможны случаи несовместимости данного продукта.

После получения продукта сравните его с техническими характеристиками OEM, чтобы убедиться в совместимости перед установкой.

Технические характеристики крутящего момента: Устанавливайте этот продукт строго в соответствии с значениями крутящего момента, указанными в руководстве по OEM-запчастям. Проблемы с установкой: Если вы обнаружите несоответствия с техническими характеристиками OEM или столкнетесь с трудностями на начальном этапе установки, немедленно прекратите работу и свяжитесь со службой поддержки для получения помощи с возвратом или обменом.

Запрещена принудительная установка: Ни при каких обстоятельствах не применяйте силу при установке. Ответственность: Любые повреждения, возникшие в результате принудительной установки или несанкционированных модификаций этого продукта (или его компонентов), ложатся полностью на покупателя.

Все продукты сфотографированы так, чтобы точно передать цвета, которые вы увидите при получении.

Из-за различий в освещении, углах или настройках экрана возможны незначительные цветовые отклонения.

Фактический продукт следует считать эталоном. Для «цветных» и «синих» продуктов процесс окрашивания может привести к неравномерному распределению цвета, что делает каждый продукт уникальным.