


































S-PARTS Titanium Thru Axle Set | TC4 Lightweight CNC Wheel Axle Upgrade for Road Bikes
Product Description
S-PARTS Premium TC4 Titanium Thru Axle
Every gram matters on a high-performance bike.
The S-PARTS Titanium Thru Axle is manufactured from aerospace-grade TC4 titanium alloy, combining ultra-lightweight construction with exceptional strength and durability.
Compared with traditional steel axles, the titanium construction reduces weight while maintaining mechanical performance comparable to 10.9-grade steel components.
Using precision CNC machining technology, every axle is produced with strict tolerance control to ensure accurate fitment, smooth installation, and reliable wheel fixation.
Designed for riders who demand lightweight performance, premium craftsmanship, and a clean custom build.
Aerospace-Grade TC4 Titanium Material
S-PARTS selects premium S-grade TC4 titanium alloy materials.
Material advantages:
- Tensile strength exceeds 1050MPa
- Comparable strength to 10.9-grade steel components
- Approximately half the weight of steel parts
- Excellent corrosion resistance
- Long-term structural stability
A perfect balance between strength and lightweight performance.
Lightweight Hollow Structural Design
Inspired by bionic structural engineering, S-PARTS developed a lightweight hollow support structure.
The optimized design provides:
- Reduced unnecessary material
- Excellent strength retention
- Improved weight efficiency
- Premium racing aesthetics
A high-performance upgrade designed for lightweight road bike builds.
Precision CNC Manufacturing
The axle body is produced using S-PARTS custom tooling and precision CNC machining technology.
Manufacturing advantages:
- Tight tolerance control within ±0.02mm
- Accurate thread engagement
- Smooth installation
- Consistent quality
Each component is carefully machined to ensure reliable performance.
Multiple Specifications Available
Thread Pitch Options
- 1.0mm
- 1.5mm
- 1.75mm
Length Options
- 120mm
- 122mm
- 123mm
- 164mm
- 166mm
- 167mm
Spacer Options
- Multiple thickness round spacers
- Angle-adjustment tapered spacers
Suitable for a wide range of modern road bike frames.
Premium Surface Finish
Available with advanced surface treatments:
PVD Vacuum Coating
Creates a durable protective layer with improved hardness and wear resistance.
Anodized Finish
Produces unique metallic colors through controlled electrochemical processing without pigment dye.
Color options provide more customization possibilities for high-end bike builds.
Key Features
- Aerospace-grade TC4 titanium alloy
- Ultra-lightweight design
- CNC precision machining
- ±0.02mm tolerance control
- High strength comparable to 10.9-grade steel
- Corrosion resistant
- Multiple length options
- Premium anodized / PVD finishes
- Designed for high-performance road bikes
Specifications
Brand: S-PARTS
Material:
TC4 Titanium Alloy
Manufacturing:
CNC Machined
Strength:
1050MPa+ tensile strength
Thread Pitch:
1.0 / 1.5 / 1.75mm
Length:
120 / 122 / 123 / 164 / 166 / 167mm
Application:
Road Bike Thru Axle
Color Options
Gold
Rainbow
Titanium
Black
Blue
Green
Purple
Candy
Indigo
Compatibility
Compatible with most modern road bike thru axle systems.
Please confirm:
- Axle length
- Thread pitch
- Frame specifications
before ordering.
Package Includes
1 × S-PARTS Titanium Thru Axle
Titanium Thru Axle Tool(Sold Separately)
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.
| S-PARTS Common Torque Reference Table for Bicycle Series | ||||||
| Ingredient | Component Name | Screw Name | Reference Torque | Anti-seize Usage | Medium-strength Threadlocker Usage | Special Requirements Remarks |
| Frame System | Handlebar Assembly | M4 Stem Fixing Screws | 4NM | Recommended | Consider with Caution | For special structure handlebar assemblies, please refer to the original manufacturer's recommended torque specifications. |
| M5 Stem Fixing Screws | 5NM | Recommended | Consider with Caution | |||
| M6 Stem Fixing Screws | 6-8NM | Recommended | Consider with Caution | |||
| M7 Handlebar Fixing Screws (Brompton) | 8-10NM | Recommended | Consider with Caution | |||
| M8 Stem Fixing Screws (BMX) | 8-10NM | Recommended | Consider with Caution | |||
| Headset | Headset Preload Screws (including M5/M6) | 4-6NM | Recommended | Not Recommended | ||
| Frame/Fork | M3 Fork Hose Clamp Screws | 1-2NM | Recommended | Not Recommended | For special structure seatpost clamps, please refer to the original manufacturer's recommended torque specifications. | |
| Water Bottle Cage Screws | 4NMM | Recommended | Not Recommended | |||
| M4 Derailleur Hanger Fixing Screws | 3-4NM | Recommended | Consider with Caution | |||
| M5 Derailleur Hanger Fixing Screws | 4-5NM | Recommended | Consider with Caution | |||
| M5 Front and Rear Rack Fixing Screws | 6-7NM | Recommended | Consider with Caution | |||
| M5 Seatpost Clamp Screw (Standard Clamp Design) | 6-7NM | Recommended | Not Recommended | |||
| Seatpost | M5 Saddle Rail Clamp Screws | 6-7NM | Recommended | Not Recommended | ||
| M6 Saddle Rail Clamp Screws | 7-9NM | Recommended | Not Recommended | |||
| M7 Saddle Rail Clamp Screws | 8-10NM | Recommended | Not Recommended | |||
| M6/M7 Single-Bolt Saddle Rail Clamp Screws | 10-12NM | Recommended | Not Recommended | |||
| M8 Single-Bolt Saddle Rail Clamp Screws (Brompton) | 12-14NM | Recommended | Not Recommended | |||
| Wheelset | M6 Quick-Release Wheelset Locking Screws | 6-8NM | Recommended | Not Recommended | ||
| M10 BMX Wheelset Locking Screws | Recommended | Not Recommended | ||||
| M14 BMX Wheelset Screws | Recommended | Not Recommended | ||||
| M9 Wheelset Locking Nuts | 12-14NM | Recommended | Not Recommended | |||
| M10 Wheelset Locking Nuts | 14-16NM | Recommended | Not Recommended | |||
| M12 Thru-Axle Bolt | 10-14NM | Recommended | Not Recommended | |||
| M14 Thru-Axle Bolt | 12-16NM | Recommended | Not Recommended | |||
| Brake System | Disc Rotor | Six-Bolt Disc Rotor Screws | 5-7NM | Consider with Caution | Recommended | Do not use anti-seize compounds or liquid thread lockers on screws related to the brake hydraulic system to avoid contaminating the hydraulic lines. |
| Center Lock Disc Rotor | 40NM | Recommended | Not Recommended | |||
| Brake Lever | M5 Brake Lever Fixing Screws | 5-7NM | Recommended | Not Recommended | ||
| M6 Brake Lever Fixing Screws | 6-8NM | Recommended | Not Recommended | |||
| Road Bike Shifter Fixing Nuts | 6-8NM | Recommended | Not Recommended | |||
| Brake Lever Bleed Port Screws | 2-3NM | Not Recommended | Recommended | |||
| Disc Brake Caliper | M6 Mountain Bike Caliper Fixing Screws | 9NM | Consider with Caution | Recommended | ||
| M5 Flat Mount Caliper Fixing Screws | 7NM | Consider with Caution | Not Recommended | |||
| M8 Hose Compression Fitting Screws | 6-7NM | Not Recommended | Not Recommended | |||
| M6 Caliper Body Screws | 12NM | Not Recommended | Not Recommended | |||
| M7 Caliper Body Screws | 14NM | Not Recommended | Not Recommended | |||
| M8 Caliper Body Screws | 14NM | Not Recommended | Not Recommended | |||
| M6 Caliper Banjo Screws | 12NM | Not Recommended | Not Recommended | |||
| Caliper Bleed Screws | 5-6NM | Not Recommended | Not Recommended | |||
| Brake Pad Pin | 3NM | Not Recommended | Not Recommended | |||
| C-Brake Caliper | Single Pivot Caliper Fixing Nut | 8NM | Not Recommended | Recommended | ||
| Dual Pivot Caliper Fixing Screws | 6-8NM | Consider with Caution | Consider with Caution | |||
| Brake Pad Fixing Screw Set | 7NM | Consider with Caution | Consider with Caution | |||
| Brake Pad Stop Screws | 3NM | Not Recommended | Not Recommended | |||
| Caliper Release Lever Screws | 3NM | Not Recommended | Not Recommended | |||
| Cable Anchor Screws | 5-7NM | Recommended | Not Recommended | |||
| Drivetrain System | Shifter | Shifter Clamp Bolt | 4-6NM | Recommended | Not Recommended | Do not use anti-seize compounds or liquid thread lockers on screws related to the brake hydraulic system to avoid contaminating the hydraulic lines. |
| Shifter Integration Bolt | 4-6NM | Recommended | Not Recommended | |||
| Shifter Top Cap Bolt (Shimano) | 4NM | Recommended | Not Recommended | |||
| Front Derailleur | Direct Mount Front Derailleur Fixing Bolt | 6-7NM | Recommended | Not Recommended | ||
| Front Derailleur Clamp Bolt | 5-7NM | Recommended | Not Recommended | |||
| Front Derailleur Cable Adjusting Bolt | 5-7NM | Recommended | Not Recommended | |||
| Rear Derailleur | Rear Derailleur Pivot | 10-12NM | Recommended | Not Recommended | ||
| UDH System Rear Derailleur Pivot | 25NM | Recommended | Not Recommended | |||
| M4 Pulley Bolt | 3NM | Consider with Caution | Consider with Caution | |||
| M5 Pulley Bolt | 4NM | Consider with Caution | Consider with Caution | |||
| M3 Rear Derailleur Lock Cover Bolt (Shimano) | 1.5NM | Not Recommended | Not Recommended | |||
| Rear Derailleur Cable Adjusting Bolt | 5-7NM | Recommended | Not Recommended | |||
| Crankset | Chainring Double-Sided Bolt | 6-8NM | Consider with Caution | Consider with Caution | ||
| Single Chainring Bolt | 8NM | Consider with Caution | Consider with Caution | |||
| M5 Crank Arm Bolt (SRAM 3-bolt) | 7NM | Consider with Caution | Consider with Caution | |||
| M4 Crank Arm Bolt (SRAM 8-bolt) | 4-5NM | Consider with Caution | Consider with Caution | |||
| M6 Crank Arm Fixing Bolt (Shimano) | 12-14NM | Consider with Caution | Consider with Caution | |||
| Crank Arm Cap (Shimano) | 2-4NM | Not Recommended | Not Recommended | |||
| Crank Arm Fixing Bolt (DUB) | 54NM | Recommended | Not Recommended | |||
| Crank Arm Fixing Bolt (Rotor) | 30-35NM | Recommended | Not Recommended | |||
| Crank Arm Fixing Bolt (EE) | 52NM | Recommended | Not Recommended | |||
| M8 Square Taper Crank Bolt | 30NM | Recommended | Not Recommended | |||
| Pedals | Pedal Axle | 25NM | Recommended | Not Recommended | ||
| Road Cleat Fixing Bolt (3-bolt) | 6-8NM | Not Recommended | Recommended | |||
| MTB Cleat Fixing Bolt (2-bolt) | 8NM | Not Recommended | Recommended | |||
