Is his bicycle a derailleur one? 他的比赛用车是变速车吗? It has 5 to 15 forward speeds; each for a different terrain.;Low gears for going up-hill or against the wind
It was the first computer-designed rear derailleur. 这是第一台电脑设计的尾部变速器。
SunTour made their first front derailleur, the Spirt, in 1966. 山图在1966年作出的第一个前变速器的喷出。
The key innovation was the SIS Dura-Ace 7400 rear derailleur. 关键的创新是SIS的杜拉-7400后拨王牌。
SunTour became the largest derailleur manufacturer in Japan. 山图成为日本国内最大的变速器制造商。
The rear derailleur is available in long cage and medium cage versions. 后拨有长摆臂和中等百臂两种。
