Depends which nipples you're using. Sapim, DT Swiss, or A. N. Or.
These
https://www.tritoncycles.co.uk/components-c9/spokes-nipples-c124/polyax-brass-nipples-16mm-p20705
In that case nipple length won't make any difference to spoke length. All Sapim nipples have the same amount of thread.
@BigH started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Depends which nipples you're using. Sapim, DT Swiss, or A. N. Or.