Product Description

Featherweight Performance for Your Tarmac SL8

Designed specifically for the Specialized Tarmac SL8, the OVERFAST ultra-light carbon fiber thru axle set delivers exceptional weight savings while maintaining excellent stiffness, precision, and race-ready performance.

At only approximately 29g ±1g per pair, this lightweight axle system is perfect for climbing bikes, aero race builds, and premium custom setups.

Compared to standard alloy thru axles, the OVERFAST carbon axle set significantly reduces overall bike weight while maintaining reliable wheel retention and a clean minimalist appearance.

Key Features

• Ultra-lightweight design — approximately 29g ±1g per pair
• Designed for Specialized Tarmac SL8
• High-strength carbon fiber axle construction
• Precision CNC alloy end hardware
• Excellent stiffness-to-weight ratio
• Smooth wheel installation and precise fitment
• Minimalist race-bike aesthetics

Why Riders Choose OVERFAST

• Significant weight reduction compared to stock thru axles
• Premium carbon fiber appearance
• Perfect for climbing and race-focused builds
• Designed for weight-conscious riders
• Excellent upgrade for high-end road bikes

Compatibility

Compatible with:

• Specialized Tarmac SL8 Disc Brake Models

⚠️ Please confirm axle specifications before ordering.

Material

• Carbon Fiber Axle Shaft
• CNC Machined Alloy Hardware
• Lightweight Reinforced Structure

Weight

• Approximate Weight: 29g ±1g per pair

Actual weight may vary slightly due to production tolerances.

Installation Notes

• Recommended for road cycling use
• Please install using the manufacturer’s recommended torque settings
• Regular inspection is recommended for all lightweight performance components

Package Includes

• Front Carbon Fiber Thru Axle ×1
• Rear Carbon Fiber Thru Axle ×1

Compatibility Check: Due to the complexity of original equipment manufacturer (OEM) parts' models and batches, there may be instances where this product is incompatible.

Upon receiving this product, please compare it with the OEM specifications to ensure compatibility before installation.

Torque Specifications: Install this product strictly according to the torque values specified in the OEM parts manual.Installation Issues: If you encounter any discrepancies with the OEM specifications or face difficulties at the initial stage of installation, stop immediately and contact customer service for assistance with returns or exchanges.

No Forced Installation: Do not force installation under any circumstances.Liability: Any damages resulting from forced installation or unauthorized modifications of this product (or its components) will be the sole responsibility of the buyer.

All products are photographed to accurately represent the colors you will see upon receipt.

Due to differences in lighting, angles, or screen settings, slight color variations may occur.

The actual product should be considered the standard.For "colored" and "blue" products, the coloring process may result in uneven color distribution, making each product unique.