Easily replace an old hub on your trailer with the C.E. Smith Company 5 x 4.5 Pregreased Replacement Hub Kit. The kit features a preassembled and pregreased hub for easy installation and comes with a dust cap, a cotter pin and wheel nuts. The hub is studded and has a 1-3/8" - 1-1/16" spindle. C.E. Smith Company 5 x 4.5 Pregreased Replacement Hub Kit - Trailer Parts And Accessories at Academy Sports