High quality Novatec Fat Bike hubs with sealed cartridge bearings, 6-bolt disc mount, for Thru-Axle, 32 holesFront Hub Specifications: Over Lock Nut Distance (O.L.D.): 150mm Compatible axle: 15mm (not included) Spoke Hole Pitch Circle Diameter (P.C.D.): 60mm Flange spacing: 91mm (center to center) Hub Center Line to Left Flange: 45.5mm Hub Center Line to Right Flange: 45.5mm Weight: 207gRear Hub Specifications: Over Lock Nut Distance (O.L.D.): 197mm Compatible axle: 12mm (not included) Spoke Hole Pitch Circle Diameter (P.C.D.): 60mm Flange spacing: 94mm (center to center) Hub Center Line to Left Flange: 47mm Hub Center Line to Right Flange: 47mm 5 NBK bearings (3x in hub shell, 2x in freehub body) 4-pawl Novatec B2-type freehub Shimano HG compatible Weight: 491g Attributes Hub Drilling 32H Hub Spoke Type J-bend Primary Color Black Rotor Mount 6-bolts Skewers Included No