I just purchased a new bicycle pump with a pressure gauge and after checking my tyres, inflated them to the top end of interval printed on the tyres (4.5-6.5 bar).
I'm wondering when the tyres should be in the lower range of the interval, and when the higher end is appropriate. Is it a question of weight? Type of terrain I'm going to ride?
The tyres in question are Schwalbe Kojaks, mounted on a light urban hybrid bike.