It’s a pan flat gravel path, with lots of dog walkers and that. Most of the pubs have even closed! I do sections of it regularly, and I’ve done the whole thing plenty of times, it’s just a pleasant ride for a bimble, but it’s not mountain biking!
Researching a 2 day ride daan saauth. Thinking Portsmouth to Brighton then Brighton to Guildford. All via Sustrans routes, there appears to be good quick rail connections twixt Guildford & Portsmouth and the downs link looks to be one of the longest off road sustrans routes, but, is it any good?