Shimano hasn't bothered to update the Ultegra PD-R8000 pedals in years, and when they're this good, there's no need ...

更贵一定更好吗？ 如果你正在持币观望一台中端公路自行车，那它大概率会配有禧玛诺Ultegra或者105 Di2电子变速套件。 禧玛诺的这两款高性能变速套件均为电子变速，禧玛诺将其称之为Di2。这项技术正逐渐渗透到中端公路车序列中，而且，相对于与近年来公路车 ...