Project 321 RG3 Road Gravel Center Lock Rear Hub, 28H, 12x142, Silver Bar Clamp Diameter (mm)_21.1mm captured upper bearing seal fully

captured upper bearing seal fully sealed by the top cover

streamlined appearance that complements any vessel's deck or cabin

lightweight design for on-the-go repairs and maintenance

providing riders with reliable durability during the most demanding sessions

including an 8-12 speed chain tool

Project 321 RG3 Road Gravel Center Lock Rear Hub, 28H, 12x142, Silver Bar Clamp Diameter (mm)_21.1mm captured upper bearing seal fullyUpgrade your cycling performance with the Project 321 RG3 Road HGR Center Lock Rear Hub the perfect choice for serious road and gravel riders demanding precision, speed, and durability on any terrain. Crafted in Canada from high quality materials, this hub blends innovative engineering with sleek, functional design to elevate your bike's setup. Materials & Construction Built with precision machined aluminum for lightweight durability, the RG3 hub