根據非正式統計，每當與車友說起「改車」，9成人第一時間會先想起死氣喉。由此可見死氣喉的確是電單車改裝中最受歡迎的部件之一。究竟改裝死氣喉的作用是甚麼？是不是純粹提升聲效？只改「尾截」與「全梳」又有什麼分別？本文將一一為大家解答。

I have discussed with you the importance of maintaining the car chain before. You should wash the chain and take the chain regularly. You can also choose to replace the more durable oil seal chain, but you may have overlooked another part of the transmission system-the sprocket. It is also one of the consumables. Of course, there is room for modification and upgrading. When should the head and tail teeth be replaced? From time to time, some knights say that they want to change the big tail teeth for their car. What is the effect? What is the difference in the materials used for the head and tail teeth of the sub-factory? This time let's take a look at the motorcycle sprocket!