Tires breaking off at 300 km/h (185 mph)これ嫌です。強度不足ですかね。皮肉なことに、左右均一であることが確認できますた・・・Hard crash at Formula 1 training in China (Driver: Buemi)- Tires breaking off at 300 km/h (185 mph)Tires breaking off at 300 km/h (185 mph) http://www.youtube.com/watch?v=ek3ybBIqBb4