Having lived in wrexham for 25 plus years, and visiting there quite frequently, along with cycling most of the route at various times, it does seem to have been put together by a sheep farmer, following a drunken sheep, to many seriously narrow roads, dangerous descents, and sharp bends.
Just perhaps next time a route from Tetra Pak, towards wrexham on a roads via a circuit of the industrial estate, then round a circuit,chirk,llangollen,worlds end horseshoe pass and ,llangolen, corwen,and back via llandegla, and possibly Brymbo and rosset, onto holt back to the industrial estate