對於剛考牌買車的電單車新手來說，「改裝」聽起來像一眾「車手」的專利。其實電單車改裝沒有太複雜，而改裝的目的不僅是讓愛車更快更型，還能提高駕駛舒適度、流暢度和安全性。這篇文章會為各新手簡單解說改裝的基本概念，方便大家正式「落坑」。

上文提到電單車改裝避震的好處，不過即使更換了新部件，也要懂得調較才能令其發揮最大功能。不少車友上網搜尋調較避震的方法時，往往要面對一大堆技術術語，令人眼花繚亂。頭盔王今回為大家以最深入淺出的角度，簡單講解避震3大基本概念，包括「壓縮阻尼」、「回彈阻尼」和「預載」，以及對電單車性能有何影響。

每次提到電單車改裝，大多數人會立即想到改死氣喉、風隔，以提升引擎性能，又或一埋車身外觀部件，改裝避震反而經常被受忽視。不過事實上避震對駕駛體驗的影響十分巨大的。無論是日常通勤，還是山路賽道競速，好的避震都可以直接提升電單車各項性能，駕駛體驗完全是「脫胎換骨」的轉變。

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!