Fast SR E+ sync sport電機為了Auto檔的設置多了兩個感應器分別是坡度和加速度感應,有別於Shimano E8000只有三個模式可以選
懶人騎乘Fast SR E+ sync sport方便性比較優,而且在電池滿格Fast SR E+的Auto模式預估里程有100公里的水平(參考參考)
Shimano E8000系統在起步踏下踏板的那一瞬間會有明顯電機齒輪喫合喀嗒(click)的狀況,捷安特的電機系統沒有那種狀況,不過捷安特在sport+(350%)模式下給的助力頗強車子在踩下踏板時會有瞬間往前衝的感覺需要多注意,Shimano E8000給騎乘者的感受就是順順的啟動
若不考慮車架設計和傳動、剎車等各方面用料,比較美利達萬年Shimano系統和捷安特一直求新求變,我想Fast SR E+會是比較超值的選擇,不過捷安特萬年Yamaha電機系統而不是採用德國Brose的90Nm電機,是頗可惜的地方
自行车装上这个小轮,秒变电动车,时速45公里还省力
不用電的助力自行車, 車輪結構太精妙, 能轉化動力騎起來不費勁
換個輪子就把單車變成電動自行車!?|Hot Wheel動力輪
單車的新創意....
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