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

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

Internal diameter of the rim (MM *Not ERD*): 584

Rim thickness (MM): 3

Number of spokes in the wheel: 36

Number of crossings gear side: of your choice

Number of crossing non-gear side: of your choice

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