Used on BoatTrailersDirect trailers and others. Includes 5 stud pre-greased hub. Heavy duty steel carrier mounts spare hub / torsion spindle and spare tire. Designed for use with Tie Downs Eliminator Torsion Axles. UHI 1750# hub with 1-3/8" (L68149) inner bearing and 1-1/16" (L44649) outer bearings. Fits all trailer frames up to 5" high.