On May 12, 1:18*pm, Johan Bornman wrote:
Nowadays with all the spoke options I am hard-pressed to keep, or
indeed, find stock of all the permutations. How do they blacken spokes
and can this be done in a workshop as and when needed?

Are you in the US? A bike shop?
If so I can give you the name of my spoke supplier, DT spokes, all
lengths, black or silver, various gauges.