Rim Specifications:
Brand: Van Schothorst
Model: QS32
Color: Silver
Size (Inch/MM):  28 x 1 1/2" / 635
External width (MM): 32
Internal width (MM): 22
Weight (GR): 10003
Material: Steel
Single-walled / Double-walled: Single-walled
Single eyelets / Double eyelets: No eyelets
Number of spoke holes: 36
Spoke nipple size: 13
Brake surface present: No

Data for spoke length calculations using the Sapim spoke size calculator:

Internal diameter of the rim (MM *Not ERD*): 619

Rim thickness (MM): 1

Number of spokes in the wheel: 36

Number of crossings gear side: of your choice

 

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