Description
Upgrade your bike’s performance with the Project 321 G3 6-Lock Disc Rear Hub in Ultra Violet. Engineered for serious riders and cycling enthusiasts, this high-performance hub combines innovative technology, premium materials, and sleek style to deliver unmatched durability and responsiveness.
Materials & Construction:
Crafted from anodized 7075 aluminum, the G3 6-Lock Disc Hub offers exceptional strength-to-weight ratio and corrosion resistance. Equipped with double-row bearings at the strongest stress points and a fine pitch preload adjustment, it ensures smooth, reliable operation across all terrains.
Performance & Engineering:
Featuring a 1.25-degree / 288-point engagement driven by eight 3-step pawls phased in pairs on a 72-tooth drive ring, this hub provides instant and rock-solid engagement for quick acceleration and responsive handling. The magnetic pawl activation optimizes engagement efficiency while reducing drag during coast, thanks to fewer moving parts and no springs. This precision engineering guarantees consistent power transfer and enhanced ride feel.
Components & Technology:
The 6-Lock design offers enhanced versatility, enabling compatibility with both Center Lock and 6-bolt disc brake systems. The rear hub is built with a 12x148mm thru-axle spacing, ensuring a secure fit and compatibility with modern gravel and mountain bike frames. The J-Bend spokes facilitate easy maintenance and compatibility with a wide range of wheel builds.
Style & Use Case:
Distinctive in Ultra Violet, this hub adds bold color and style to any bike build-perfect for riders looking to make a statement on trails, gravel paths, or urban commutes. Designed for rear wheel applications, it’s ideal for mountain biking, gravel riding, and cyclocross, where durability, responsiveness, and style matter most.
Innovative Features:
– Magnetically activated pawls for smoother engagement and minimized drag
– No springs, reducing maintenance and increasing longevity
– Anodized 7075 aluminum axles for lightweight strength
– Fine pitch preload adjustment for personalized tuning
– Compatibility with Center Lock braking systems for versatile setup
Elevate your cycling experience with the Project 321 G3 6-Lock Disc Rear Hub-a perfect blend of advanced engineering, durability, and eye-catching style. Made in Canada, this premium hub is a durable investment for serious riders seeking reliable performance and distinctive aesthetics.
Note: Third-party online sales are strictly prohibited by the manufacturer to ensure quality and authenticity.
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Boost your bike’s performance today with the Project 321 G3 6-Lock Disc Rear Hub-where innovation meets style.
- High-precision 1.25-degree engagement with 288 points via eight 3-step pawls ensures instant, rock-solid power transfer for responsive pedaling performance.
- Constructed from durable anodized 7075 aluminum with high-stress double-row bearings, the G3 6-Lock disc rear hub offers exceptional strength, corrosion resistance, and lightweight performance, ideal for demanding mountain biking or road riding.
- Innovative magnetic pawl engagement minimizes drag during coasting and reduces moving parts without springs, providing smoother operation, increased durability, and lower maintenance.
- Designed with a versatile 6-Lock six-bolt system compatible with Center Lock rotors, featuring a sleek Ultra Violet (Purple) color finish to add a bold, custom look to your bike setup.
- Engineered and manufactured in Canada, the Project 321 G3 6-Lock Disc Rear Hub combines advanced engineering, premium materials, and thoughtful technology to enhance ride quality, reliability, and style for serious cyclists.
| Number of Holes | 28 |
| Front or Rear? | Rear (XDR) |
| Color | Ultra Violet (Purple) |
| Model Name | G3 |
| Rear Axle Spacing | 12×148 |
| Spoke | J-Bend |
| Brake Type | Center Lock |
| Weight | – |






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