Project 321 RG3 Front Hub - 6-Lock, 28 Hole, 12x100mm

The Project 321 RG3 Front Hub is designed for riders who want smooth rolling speed, excellent durability, and premium machining for road and gravel riding. Built from 7075 aluminum with tight tolerances and excellent sealing, the RG3 keeps your wheels spinning fast and clean whether you’re climbing pavement or hammering washboard gravel.

The 6-Lock rotor system lets you run either Centerlock or 6-Bolt rotors, giving you freedom to build exactly the wheelset you want. Lightweight, stiff, and highly serviceable, the RG3 front hub is a top-tier choice for high-performance gravel, endurance road, or adventure builds.

Key Features

• Lightweight 7075-T6 aluminum hub shell

• 6-Lock rotor interface (CL + 6-Bolt)

• Refined bearing and seal system for mixed-surface riding

• 12x100 mm standard road/gravel axle

• Available in 24h or 28h

• Premium anodized colour options

Perfect For: Gravel grinders, bikepacking rigs, endurance road builds, and riders who want reliability without sacrificing speed or style.