SUNringlé Bubba rear hubs 28 or 32 Hole Flanges to take conventional J bend spokes 6 bolt disc mount 6 -pawl system allows adjustment from 4 degrees to 8 degrees of engagement Tool free endcap, freehub, and axle removal Sealed cartridge bearings Body material: 6061 Aluminium Axle material: 7075 Aluminium Freehub Body Material: 7075 Aluminium Black Weight 350 g Learn More