The rear is the Fat Kong. The Fat Kong hub brings Tune's positive engagement, strength and weight to a wider 197mm X 12mm axle standard. Each hub body is expertly CNC machined from 7075 Alloy then polished and anodized for a clean finish, making the Tune Kong the pinnacle of fatbike aesthetics. The cassette body offers a 13°, 3 pawl engagements, enabling the rider to confidently ascend even the steepest climbs. The hub flanges are design to accommodate a dishless wheel, simplifying the wheel build while simultaneously increasing overall strength. Compatibility Shimano 9, 10 or 11 speeds.