Afan W2 is roughly 30km with 975m, I was out in Rostrevor and managed 27Km with 1250m climbing with a range extender and still had some juice left at the end. https://www.trailforks.com/ridelog/view/49008500/
Bike was in 60 / 100 for 90% of the time and in 100 / 100 for 5% of the time.
My bike...