Infinitely variable. It depends on how well you maintain spoke tension and true on it, and other variables. There isn't a hard and fast mileage standard.
__________________
. “He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you.”- Fredrick Nietzsche
"We can judge the heart of a man by his treatment of animals." - Immanuel Kant