Delivering a smooth apin and a supportive showing on every rampant ride, this R010 hub by Prime is a lightweight and reliable addition to any rear wheel build. Constructed from a superlight, forged alloy and CNC-machined for further weight reduction, the hub gives an impressively strong performance as you push every ride hard. Premium sealed cartridge bearings ensure a friction-free rotation and prolonged bearing life as you roll as true as can be.