As above, it's boost though axle.
Done a couple of thousand miles but I now have a different wheelset with another dyno hub so took this of the other wheels.
One of the disc bolts is a bit chewed at the top of the thread as it undid and hit the fork, bottom of the thread is good and it all works.
It's 24 spoke.
£100 plus post, or offers.
It's 400g on my scales.