胎面和胎側的設計各家不同吧；KR41 TREAD PLIES有6層，TREAD PLIES: 2 POLYESTER + 2 STEEL + 2 POLYAMIDESIDEWALL PLY: 2 POLYESTER難怪這麼"硬"!?但我覺得越多Tire Plies(輪胎簾布層)反而是跟荷重設計有關耶!?
