Well I could wander out to the garage now and just assemble it as yet another MTB, all the necessary parts are in there (somewhere).
My initial thought was to simply go and buy a 29er, but then I thought why spend the extra money when I have a cheaper, albeit smaller wheeled, option already…
Comfortable riding position(s), luggage capacity and the ability to mix on/offroad is really all I need, I won’t be rushing anywhere on it, and while my London Road could do all of that I quite like it as it is…
So it’s either going to be flat bars (already got several), loop bars (cheap version from SJS) or maybe drops/flared drops (although this would mean some new levers). Loops are winning at present never tried them so they would be a bit of a novelty, so more MTBish on the bars front.
As for tyres it’s a sort of separate question, I have plenty of 2.1-2.5″ knobbly 26ers already, but a bit less tread might suit the application, and something more like big apples would give some cushioning plus reasonable rolling and an OD not too far from a ~700x25c road bike wheel, while still being able to go offroad comfortably. I would just slap some pannier racks on an leave them fitted too so as to make it the default utility/touring/load lugging option…
That’s my current thinking at least…