Why? The mid line Shimano hubs are quite reliable . the 10x1 steel axle can be adapted to change overall width as well, thru a few spacer swaps and the axle itself, Their tandem hubs are 145, same general stuff, more length on the left end..

Now if all you seek is Bragging rights with your buddies, that also like shiny, expensive, Bike parts ... then by all means get out that credit card, and spend liberally..

other countries make hubs to be compatible with Shimano cassettes. US, CH, UK etc.

Shimano Top end (XTR/DA) Now are built around aluminum axles use smaller balls than the rest of the line