CE Smiths corrosion-proof Galvanized Trailer-Hub Kit is fully assembled with greased bearings, making installation clean and easy. Comes with dust caps, cotter pins and lug nuts. Available: 1 Spindle 5 stud x 4.5 bolt circle dia. 1 straight shaft. 12 maximum wheel size. Wt. capacity: 1,250 lbs. Wheel flange dia: 5.56. Hub inner dia: 1.98. 1-1/16 Spindle 5 stud x 4.5 bolt circle dia. 1-1/16 straight shaft. 14 maximum wheel size. Wt. capacity: 1,350 lbs. Wheel flange dia: 6.5. Hub inner dia: 1.98. Tapered Spindle 5 stud x 4.5 bolt circle dia. 1-3/8 tapered to 1-1/16 shaft. 15 maximum wheel size. Wt. capacity: 1,750 lbs. Wheel flange dia: 6.5. Hub inner dia: 1.98. Type: Hub Kits.