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RG3 & G3 Hubs

Our latest generation of road, gravel and mountain bike hubs; the result of years of innovation.
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Project321 exists to enhance rider experience through precision-engineered bike components.
Road & Gravel Hubs
Road & Gravel Hubs

Purpose-built hubs engineered to inspire confidence on any road.
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Mountain Hubs
Mountain Hubs

Rock-Solid Engagement when it matters most.
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The New Standard for Ride Quality and Performance.
Design Philosophy
Performance
Performance

Rapid and precise engagement ensures instant power transfer, giving riders better responsiveness and efficiency on any terrain.

Reliability
Reliability

Precision-machined materials deliver long-lasting performance under the most demanding conditions.

Optionality
Optionality

A versatile rotor mounting system, a variety of anodized finishes, and modular expansion options allow riders to fine-tune engagement characteristics to suit their riding style and performance needs.

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