Watch: Britain's best undiscovered biking roads - part 4Check this amazing coastal road VisordownTue, 27 Jun 2017 WITH the help of suggestions from readers, Visordown and Kawasaki have been looking for Britain's best undiscovered biking roads. In episode four we take in a bit of coast in Somerset and Devon. It's stunning - but does it qualify as undiscovered? Watch episodes one, two, three and five.best biking roads uk