NOTE: Shimano Di2 system. Does not work with conventional gear cable.

Hub spacing: 

Rear (MM): 131
 
Construction: 
Handmade or machine made: Handmade
Spoke pattern: 3 Cross
Total weight (GR): 2878

Black freewheel cover can be removed, then a roller brake can be used

Specifications of the rear hub:
Brand: Shimano
Model: Nexus Inter 8 SG-C6060-8R
Color: Silver
Number of spoke holes: 36GTS
Type of brake: Rollerbrake or Rim brake
Number of gears: 8S DI2
Type of axle: Fixed axle 180 MM
Axle included: Yes, without nuts
Type of bearings: Ball bearings
Weight (GR): 1680
Intended use: City

This rim is extra strong due to an extra thick sole.
The disadvantage of this is that the weld is not completely clean.

Rim Specifications:
Brand: Rigida - Ryde
Model: Andra 10
Color: Black
Size (Inch/MM):  28" / 622
External width (MM): 25
Internal width (MM): 19
Weight (GR): 775
Material: Aluminium
Single-walled / Double-walled: Double-walled
Single eyelets / Double eyelets: No eyelets
Number of spoke holes: 36
Spoke nipple size: 13
Brake surface present: Yes

Specifications of the spokes: 
Brand: Sapim
Model: Leader
Color: Black
Material: Stainless steel
Spoke thickness: 13G
 
Specifications of the spoke nipples: 
Brand: Sapim
Color: Silver
Material: Brass