前輪快拆裝置 Quick Release Front Wheel Upgrade

將前輪升級為快拆版，不用任何工具，最快 5 秒鐘內就可以拆掉。

十分有用於：
-搭地鐵（法例需要拆前輪）
-收藏在車尾
-收納在家中節省位置

-適用於：
tokyobike Mono, Bisou Mono （CS26, Bisou, Calin, Sport9s 本身已經有前後輪快拆，不用升級）

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Upgrade your Mono , Bisou Mono to a quick release front wheel so that you can take it off without any tool within as quickly as 5 seconds.

very useful for:
-taking MTR (legally required)
-putting the bike in car trunk
-storing at home with less space
-mainly for Mono and Bisou Mono (no need upgrade for CS26, Bisou, Calin, Sport9s as it comes by default)