A very quick update – the purchase of three components has enabled the first assembly step to take place, which feels like quite a big step. I have received an order of a headset, spacers and a stem, which means that I’ve been able to attach the fork to the frame, and the bars to the stem.
Another couple of small but important parts are adaptors for the front hub to allow for the 15mm thru axle and a new axle and adaptors for the rear hub to convert it to a 12mm maxle.
This means that things are (slowly) starting to take shape: