Origin 8 is the industry leader when it comes to high value components. There TH50 and TH51 track hubs are no exception. Manufactured by Formula, the maker of several high quality after market hubs. There are several things that separate a quality hub, the Origin 8 TH50 and TH51 bring all the attributes to the table such as forged alloy shells, cartridge bearings, ChroMoly axles and bushed axle nuts. Not to mention these hubs are offered in the largest number of colors of any hub currently available. Pick these hubs and you will be happily surprised.