The whole of National Cycle Network route 7 is a delight, but this segment the route designers must have been in a mischevious mood, very narrow, a 30% gradient (signposted) and lots of gates that you need to open to continue your journey. This section helps cyclists avoid the busy main road if you're of a more timid nature, personally the main road is better than this segment but its still worth cycling this segment at least once to see it and the views across the landscape.