Includes 2 front hubs with 3/4 inch bearings.  CNC machined out of high quality aluminum installed with precision roller bearings these front wheel hubs are a universal fit to all ¾ inch front spindles and to all 3 and 4 bolt Douglas wheels. Bolt pattern is (3) 1/4-28 holes on a 2-1/2" bolt circle and (4) 5/16-24 holes on a 2-3/4 bolt circle. Made to go on a 3" long spindle