BF Goodrich g-Grip is a summer tyre made in total of 2 sizes, ranging from R14 to R14 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 275/35 R19 is 100mm wider than the narrowest dimension (175) and -80mm narrower than the widest one (195). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (275mm), which results in 96.25mm sidewall height. In 275/35 R19, Goodrich g-Grip usually competes against Winterhawk 3, which is a tyre from Firestone with a rating of 0%, compared to 0% of the BF in question.