Specifications of the rear hub:
Brand: Shimano
Model: FH-M7130-B SLX
Color: Black
Number of spoke holes: 32GTS
Type of brake: Disc (Centerlock)
Number of gears: Micro Spline
Type of axle: Thru axle Ø 12 MM
Axle included: No
Type of bearings: Ball bearings
Average weight (GR): 351
Intended use: MTB - Tour

Data for spoke length calculations using the Sapim spoke size calculator:
Total length of the hub (MM): 157
Non-gear side (MM): 36
Gear side (MM): 48
Hub diameter non-gear side (MM): 58
Hub diameter gear side (MM): 60

Link to spoke calculator: www.sapim.be/spoke-calculator