The Primo Balance V2 Freecoaster Hub is a solid freecoaster style with hub guards to keep the hub protected. Built from a 6061-T6 aluminium body paired with a CNC machined chromoly 14mm axle & chromoly axle nuts for strength & durability. The Balance V2 features an internal clutch system & a 1-piece chromoly driver with an oversized needle bearing for increased durability. The Balance V2 comes with two updated Primo hub guards for the drive & non-drive side. section Product Specs HUB TYPE: Freecoaster AXLE: 14mm male DRIVER: 9t DRIVE SIDE: Right Side Drive SPOKE HOLES: 36h WEIGHT: 769.1g (1.7lbs)