回複：請問Bridgestone-Turanza with Serenity Technology (eco) 的輪胎好嗎

H and V stand for speed ratings, read the following rating chart.

Q- Up to 100mph
R- Up to 106mph
S- Up to 112mph
T- Up to 118mph U- Up to 124mph
H- Up to 130mph
V- Up to 149mph W- Up to 168mph
Y- Up to 186mph
Z- 149mph