Hub spacing: 
Rear (MM): 135
 
Construction: 
Handmade or machine made: Handmade
Spoke pattern: 2 Cross
Total weight (GR): 2450

Rim Specifications:
Brand: Rigida - Ryde
Model: Dutch 19
Color: black
Size (Inch/MM): 28" / 622 
External width (MM): 24
Internal width (MM): 19
External high (MM): 30
Weight (GR): 633
Material: Aluminium
Single-walled / Double-walled: Double-walled
Single eyelets / Double eyelets: No eyelets
Number of spoke holes: 36
Spoke nipple size: 14
Brake surface present: No

Specifications of the rear hub:    
Brand:    Shimano
Model:    Nexus Inter 7 SG-C3001-7D
Color:    Black
Number of spoke holes:    36GTS
Type of brake:    Disc (Centerlock)
Number of gears:    7S
Type of axle:    Fixed axle 187 MM
Axle included:    Yes, without nuts
Type of bearings:    Ball bearings
Average weight (GR):    1474
Intended use:    City

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