RV有個不成文的鐵律: 不論輪胎跑了多少邁, 到第8個年頭一定要換(有人買了我們退下來的輪胎用到dump truck或local 跑的heavy truck上).
我自己更進一步: 每4年我把前輪(2) 轉到左後輪(dual wheel), 前麵換成新輪胎. 這樣在任何時刻,我的前輪一定是4年或更少的年歲.
RV Blows Tire Causing Roll-Over
a front tire blowout caused the rv to swerve off i95 and landed upside down in water
http://wric.com/2017/04/11/2-injured-after-rv-runs-off-i-95-in-prince-george-co/