If it’s a through axle hub, SON do not recommend using adapters, the hub won’t be secured correctly and therefore the axle will rotate.
I found this weird too - I have a SON thru axle and SON branded adapter, although I do think it doesn't feel as good as it should to ride. Just a bit noodly
@andyfallsoff started
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If it’s a through axle hub, SON do not recommend using adapters, the hub won’t be secured correctly and therefore the axle will rotate.