posts #2 & 6 suggest, the wheels mentioned in #7, & a lot of velomine's more reasonably priced wheels are built with formula hubs...

which is exactly what are used on stock sputnik wheels

so obviously not an upgrade over what op already had. yes...formulas are very nice hubs for the money, in fact i put tons of trouble-free miles on my own wheelset with them, so one has to wonder what user or shop error led to, if i am reading correctly, 2 rear hub failures? & considering his problems with them, would duranh62 even consider another formula hub?