Apollo 185/55/R16 Alnac 4G bfgoodrich which is the ratio of

which is the ratio of the tire's sidewall height to its width

BF Goodrich: The manufacturer

quiet ride

55: Aspect ratio

Before purchasing or using this tire

Apollo 185/55/R16 Alnac 4G bfgoodrich which is the ratio ofThe Apollo Alnac 4G is a model of tire produced by Apollo Tyres, and the specification you provided, 185 55 R16, refers to the size of the tire. Here's what each part of that specification typically signifies: 185: This is the width of the tire tread in millimeters. 55: This is the aspect ratio, representing the height of the tire sidewall as a percentage of the width. R: This indicates radial construction. 16: This indicates the diameter of the wheel