Now in Black with pressed in studs, secured with set screws. JOES hubs are machined from billet 6061-T6 aluminum and feature may improvements over conventional designs. The rotor flange is drilled for 8 bolt rotors and is slotted to reduce weight and heat transfer into the hub. The optional T-nuts improve braking and reduce drag while extending rotor life. The front dust cover is O-ring sealed to the hub and retained with five allen screws to eliminate cracking and leaking common with other hubs. Supplied with studs and races installed and fits popular 2″ spindle pin.