White Industries Center-Lock Disc Shimano/SRAM 8,9,10 Speed 12mm Thru x 148mm 28 Hole Bicycle Rear Hubs
This should correspond to the type of brakes you have on the bike.
12mm Thru x 148 thru axles are often called "Boost"
The hub drilling is the number of spoke holes. It must match your rim spoke count.