For 18 inch rear wheel with hub 64110-13700.
This spoke set has 36 spokes with spoke nipples.
Spoke size: 18 spokes of 3,2x174 mm. Inner spokes on both sides.
Spoke size: 18 spokes of 3,2x174 mm. Outer spokes on both sides.
OEM Ref. 65320-13620 (Spoke kit).
Nipple size: 6,5x20 mm (10G/250)
If the nipple holes in the rim are smaller, you may need to drill larger holes.
For more measurements check this link
CC Products spokes are manufactured in a spoke machine in Sweden.
With Swedish stainless steel spoke wire that has a tensile strength of 1450 N / mm2 and a yield strength of 1250 N / mm2!
The spokes are manufactured as accurately as possible to OEM specifications and are sold as replacement spokes for original hubs and rim track
Please note that the picture is general, not on this particular spoke set