Rim holes of approx 4.3mm use Sapim 4mm nipples, or for rim holes of 5mm -5.5mm approx use Sapim 5mm nipples. Sapim 4mm nipples or 5mm Sapim nipples. Sapim Leader 13g 2.3mm Black spokes. Supplied with Sapim 4mm or 5mm dia brass silver finish nipples.