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S-PARTS Tarmac SL8 Titanium Thru-Axle Set

S-PARTS Tarmac SL8 Titanium Thru-Axle Set

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Color: Candy

S-PARTS Tarmac SL8 Grade 5 Titanium Thru-Axle Set

The definitive structural weight-saving upgrade designed specifically for the flagship Specialised Tarmac SL8. Engineered to replace heavy, stock factory hardware, this premium kit seamlessly blends uncompromising aerospace-grade structural integrity with an ultralight, race-ready profile.

Technical Specifications

  • Brand: S-PARTS

  • Material: Aerospace-Grade 5 Titanium (Ti-6Al-4V)

  • Manufacturing Process: Full Precision CNC Machining (Dimensional Tolerance: $\pm0.02\text{ mm}$)

  • Total Weight Set: Approx. 46.5g per set (Provides massive savings over conventional steel)

  • Front Axle Dimensions: M12 × 120mm | P1.0mm thread pitch

  • Rear Axle Dimensions: M12 × 164mm | P1.0mm thread pitch

  • Recommended Tool: 6mm Hex Key

  • Maximum Torque Spec: Always adhere to the manufacturer's exact standards for safety.

  • Available Premium Colorways: Gold, Black, Blue, Green, Purple, Rainbow (Oil Slick), Indigo, and Candy

Aerospace-Grade 5 Titanium Metallurgy

Forged entirely from premium Grade 5 Titanium (Ti-6Al-4V), this thru-axle set delivers an exceptional tensile strength-to-weight ratio tailored for elite racing frames. Harder, stronger, and roughly 45% lighter than traditional steel axles, it provides the tracking stiffness required for aggressive out-of-the-saddle climbing and high-speed cornering. Titanium is naturally rust and corrosion-proof, remaining entirely immune to wet weather, road spray, salt, and humid riding environments.

Massive Weight Optimisation & CNC Micro-Tolerances

Weighing a mere 46.5 grams for the complete pair, this upgrade strips non-essential mass from the wheel retention system without compromising structural reliability or safety. Every axle and washer is meticulously sculpted using full precision CNC machining to strict tolerances within 0.02mm. This guarantees a flawless, parallel thread fit, smooth wheel installation, and an exact mechanical interface with the frame dropouts.

Premium Finish & Visual Craftsmanship

S-PARTS elevates the clean aesthetic of modern super-bikes by dividing their finishes into two elite engineering processes:

  • PVD Vacuum Nitride Coating (Gold/Black/Blue): Produced using an advanced Physical Vapour Deposition vacuum nitriding process that yields a deep, vibrant layer. This treatment increases surface hardness and wear resistance, remaining highly resistant to fading even through muddy conditions.

  • Anodised Titanium Finish (Green/Purple/Rainbow/Indigo): Created via a precision electrochemical anodising process. Different oxide-film thicknesses alter optical interference to create rich, vivid colours that shift subtly under changing light.

Tailored Specialized Tarmac SL8 Compatibility

Specifically engineered with exact matching lengths, thread pitches, and flat contact profiles to integrate flush and securely with the flagship frame:

  • Specialized Tarmac SL8 (S-Works, Pro, and Expert models)

In The Box

  • 1 x S-PARTS Front Thru-Axle (M12 × 120mm × P1.0)

  • 1 x S-PARTS Rear Thru-Axle (M12 × 164mm × P1.0)

  • 2 x 90° Tapered M12 Conical Washers (+2mm Offset)

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