mmhmm, I mean that HotRacing makes such parts for Nero but not Kraton.
I am not sure but I can remember that an other guy tried to convert the Nero axles in this forum. But the did not fit.
Normally I would expect that it will be possible to convert the axles but I am sure, that is a lot of work and you have to modify all parts.
Afterwards you can do that all the time if one part will be broken.
I like to wrench and screw and glue, but I do more like to "play" with my RC´s. So I take care of wasted time! ;-)