They were designed to drop fit directly to Direct Drive System (TBDD and eLofty).
Hubs fit to 6”x2” pneumatic AT or Bergmeister tires with standard size 608 bearings, 2-piece hub with integrated 19mm or 0.75” M6 thread length, single hex tool is used for wheel assembly – no fumbling with small lock nuts or tools.
They are 147mm, @longhairedboy was prolly drinking when he wrote that. I will point out that skatan will frown upon you for correcting the high priest and overlord, so I would apologize and make the appropriate sacrifices at you earliest convenience.