轉動龍頭一次大盤變速會自動降一格 - 單車
By Queena
at 2016-09-05T15:58
at 2016-09-05T15:58
Table of Contents
牽車時發現,轉動龍頭時左方的變速板手就會發出"喀"一聲,後變速則無影響。
龍頭多轉幾次大盤會自動由三速變回歸一速。
請問這是前變速把手卡不住造成的問題嗎?
感謝回答。
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By Zenobia
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