Don't go shorter... shorter is riskier than longer.... if they are long you can add some rim or spoke washers, if they are short there is not much you can do... well, you can get 14 mm DT nipples, but in the former case you are making better wheels, in the latter you are making them worse.
Don't go shorter... shorter is riskier than longer.... if they are long you can add some rim or spoke washers, if they are short there is not much you can do... well, you can get 14 mm DT nipples, but in the former case you are making better wheels, in the latter you are making them worse.
I would order 256 and 258