Ultra-low aspect ratios could be feasible, but then that changes section widths. They'd have to be much wider, and would need more flex. That leads to changes in wheel wells. (You can see where this is going.)
Spotting Damaged Wheels Boosts Profits
Expertise and service count at Sports Car Tire in Wilmington, Del. “We’re known as the fixers,” says Chris Misero, operations manager of the business.