Have you ever pondered what the numerical specifications in tire sizes truly signify, particularly in the case of 275/70R18? When you encounter a number like this, it invites a cascade of questions. What can we infer about the tire’s width, aspect ratio, and diameter? Moreover, how does this sizing convention impact performance, safety, and fuel efficiency? It’s fascinating to consider how every digit plays a pivotal role in determining the tire’s overall functionality. What intrigues you most about these specifications? Could the nuances of tire sizing affect your driving experience in ways you hadn’t previously considered? Share your thoughts!