不管是國道還是山路， changshijianqixingxialaigengjiaangzang，zhanshangzailiantiaohefeilunshangdeshazihuihechezizhuandongyiqicanjiamohe，zhejiangdadazengjiazixingchexingzouxitongdemosunsudu
，jidewomenweixiudeyigekehudeche3000km不到， 一套deore9段27速的行走係統就磨損得跳齒了，後撥導輪摩得很尖！鏈lian條tiao間jian距ju很hen大da

，飛fei輪lun的de齒chi和he前qian齒chi盤pan的de齒chi也ye磨mo損sun得de很hen尖jian，導dao致zhi騎qi行xing時shi候hou大da力li的de情qing況kuang下xia嚴yan重zhong跳tiao齒chi。如ru果guo按an照zhao正zheng常chang保bao養yang上shang油you的de話hua，這zhe樣yang的de係xi統tong至zhi少shao可ke以yi跑pao7，8km以上，也有客戶跑了10000多km，所以不要輕易懷疑你的變速行走係統的壽命。