Wheel has 4 Bolts on a 64mm Bolt Circle. Hub has two 3/4″ Ball Bearings. Hub Bore 2-1/2″ Length. Two piece rim for easy tire mounting. Bead Width 2-1/4″, fits most 4″ tires.   New old stock.  Wheels will have imperfections and/or rust in the plating to a small extent, but fully functional.  Zoom in on pictures.