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Description
1309 Series Sonic Hub
Bore: 4 mm
Material: Aluminum
Finish: Clear Anodized
Machined for high-precision fitment
Allows you to mount components to a 4 mm diameter shaft
The 1309 Series Sonic Hub (4mm Bore) allows you to mount components to a 4mm diameter shaft. The innovative Sonic Hub design is perfectly balanced.
It will not introduce vibrations into your build, even in high-speed applications. This hub is machined for high-precision fitment. The body of this hub is aluminum, and the pinch bolts are zinc-plated steel. Aluminum has an excellent strength-to-weight ratio, allowing this hub to be both light and strong.
