Rim Specifications:

Brand: Rigida - Ryde 

Model: ZAC 2000

Color: Black

Size (Inch/MM): 26" / 559

External width (MM): 24

Internal width (MM): 19

Weight (GR): 540

Material: Aluminium

Single-walled / Double-walled: Double-walled

Single eyelets / Double eyelets: Single eyelets

Number of spoke holes: 32

Spoke nipple size: 14

Brake surface present: Yes

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

Internal diameter of the rim (MM *Not ERD*): 526

Rim thickness (MM): 2

Number of spokes in the wheel: 32

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