Hub comes with rear sprocket, shifter and gear cable.

Specifications of the rear hub:
Brand: Sturmey Archer
Model: S-RF3
Color: Silver
Number of spoke holes: 28GTS
Type of brake: Rim brake
Number of gears: 3S
Type of axle: Fixed axle 148 MM
Axle included: Yes, with nuts
Type of bearings: Ball bearings
Average weight (GR): 964
Intended use: City

Data for spoke length calculations using the Sapim spoke size calculator:
Total length of the hub (MM): 110
Non-gear side (MM): 22
Gear side (MM): 28
Hub diameter non-gear side (MM): 67
Hub diameter gear side (MM): 67

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