These are PKT's kid kart brake rotor hubs. They are available for 25mm & 30mm axles. 25mm & 30mm have 8mm key slots. The hubs come with all hardware and are finished in black anodize with laser engraving. The hubs also fit the Noonan brake rotor. Sold individually.
Pickup available at Wixom, MIUsually ready in 4 hours