RG3 & G3 Hubs
Our latest generation of road, gravel and mountain bike hubs; the result of years of innovation.
Shop Road & Gravel | Shop Mountain
Project321 exists to enhance rider experience through precision-engineered bike components.
The New Standard for Ride Quality and Performance.
RG3 REAR HUB 142x12
from $407.50
- black
- maple
- flat-earth
- british-racing-green
- cobalt
G3 Front Hub 110x15
from $210.00
- black
- maple
- flat-earth
- british-racing-green
- cobalt
G3 Rear Hub 148x12
from $440.00
- black
- maple
- flat-earth
- british-racing-green
- cobalt
Design Philosophy
Performance
Rapid and precise engagement ensures instant power transfer, giving riders better responsiveness and efficiency on any terrain.
Reliability
Precision-machined materials deliver long-lasting performance under the most demanding conditions.
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.