Hi Steve
I started at Newport railway station. It was the easiest station to get to with the bike. Arriva trains Wales have a direct train from Manchester to Carmarthen. Route was Monmouth, Broad Oak B&B, Bridge Sollers to cross the Wye, Bucknell B&B, Bishops Castle, Montgomery, Maesbrook B&B, Ellesmere, Chester. Train from Chester was the original idea but my wife drove over and we spent the night in Chester.
Fairly hilly on days 1 and 2 but getting easier as the ride progressed. About 10 mile of A road in total.
PM me if you want a detailed route.
Doug