Description
Upgrade your mountain bike or gravel bike with the Robert Axle Project 12mm Lightning Bolt Thru Axle – Rear (170mm Length, 1.75mm Thread), engineered for riderswho demand superior performance, durability, and precision. Designed and manufactured in the USA, this high-performance rear thru-axle combines innovative engineering with aerospace-grade materials to deliver an exceptional cycling experience.
Materials & Construction:
Crafted from aerospace-grade aluminum, the Lightning Bolt Thru Axle ensures maximum strength-to-weight ratio while maintaining a lightweight profile-only 41 grams-ideal for aggressive trail riding and competitive mountain biking. The black anodized finish offers corrosion resistance and a sleek, professional aesthetic.
Performance & Engineering:
Featuring an internally bored design, the Lightning Bolt Thru Axle removes unnecessary material without sacrificing structural integrity, resulting in a lower profile and enhanced aerodynamics. This design reduces weight and drag, helping you achieve better speed and handling on technical trails. Its 12mm diameter provides increased stiffness and stability, essential for aggressive riding styles and demanding terrains.
Components & Technology:
The axle employs a standard 6mm hex wrench for effortless installation and removal, streamlining your bike maintenance routine. Precision CNC manufacturing ensures every component meets tight tolerances for a perfect fit and maximum durability. The 1.75mm thread pitch and 20mm thread length are optimized for compatibility with most modern thru-axle hubs, providing a secure and reliable connection.
Style & Use Case:
With its sleek black finish and aerodynamic profile, the Lightning Bolt Thru Axle not only enhances performance but also complements your bike’s visual aesthetics. Ideal for mountain biking, gravel racing, and trail riding, it offers a stronger, more durable replacement for stock thru-axles, ensuring your bike is ready to tackle challenging terrains with confidence.
Innovative & Differentiating Features:
– Aero-designed to eliminate bulky handles, reducing snag hazards during trail riding
– Built from aerospace materials for unmatched strength and lightweight performance
– CNC machining in the USA for precise manufacturing standards
– Compatible with bolt-on, lightning-fast installation and removal
Elevate your cycling experience with the Robert Axle Project Lightning Bolt Thru Axle-the ultimate upgrade for rider performance, durability, and style. Whether you’re conquering rugged mountain trails or racing through gravel, this thru-axle is engineered for those who demand the best.
- Enhanced durability and strength with the Robert Axle Project 12mm Lightning Bolt Thru Axle, engineered from aerospace-grade materials for dependable performance on rugged trails and mountain biking adventures.
- Designed with an aerodynamic, low-profile profile, this rear thru-axle reduces weight and minimizes trail obstacles, providing a sleek, trail-ready aesthetic that improves bike handling and speed.
- Precision CNC manufacturing in the USA ensures tight tolerances and superior craftsmanship, offering consistent, reliable threading and fitment for compatible mountain bike frames and hubs.
- Features a 12mm diameter and 170mm length with 1.75mm thread pitch, suitable for a variety of mountain bike frames, and easily installed or removed with a standard 6mm hex wrench for quick trail-side adjustments.
- Internally bored to eliminate unnecessary material without sacrificing structural integrity, this lightweight yet robust thru-axle improves bike performance, ensures maximum strength, and enhances overall ride stability across challenging terrain.
| Color | Black |
| Weight | 41 |
| Thread Pitch | 1.75 |
| Thread Length (mm) | 20 |
| Axle Diameter (mm) | 12 |
| Over Locknut (mm) | 142 |
| Overall Length (mm) | 170 |





Reviews
There are no reviews yet.