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

Rim Specifications:
Brand: Rigida - Ryde
Model: Andra 20 9*4
Color: Black
Size (Inch/MM):  28" / 622
External width (MM): 24,5
Internal width (MM): 19
Weight (GR): 736
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: FH-C501 Nexave
Color: Silver
Number of spoke holes: 36GTS
Type of brake: Disc (6 bolts)
Number of gears: HG Body 35 MM = suitable for old type Race (max 10 speed) and all MTB cassettes.
Type of axle: Drop axle
Axle included: Yes, quick release
Type of bearings: Ball bearings
Average weight (GR): 446
Intended use: MTB - Tour

Specifications of the spokes:    
Brand:    Sapim
Model:    Leader
Color:    Black
Material:    Stainless steel
Spoke thickness:    14G
    
Specifications of the spoke nipples:    
Brand:    Sapim
Color:    Silver
Material:    Brass