If it's centre lock you want, don't think Son do one but they do have 6 bolt in 15mm. SP do both.
6 bolt is my fav. Thanks.
FWIW, I've only got 3000km on my 15mm SP dynamo but super impressed with it.
@Hulsroy started
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If it's centre lock you want, don't think Son do one but they do have 6 bolt in 15mm.
SP do both.