並前往http://www.cyclingexpress.com/zh/productdia/14224719/shimano-ultegra-r8050-di2-%E9%9B%BB%E5%AD%90%E8%AE%8A%E9%80%9F%E5%BE%8C%E8%AE%8A%E9%80%9F%E5%99%A8.html
