[問題] 瘦身計劃-speedplay 想要diy
大家好
我騎2013年式的TCR2 目前上卡speedplay
最近想將單車重量減輕(非換車架)
方案A speedplay spindles 材質更換
由鉻鉬換成鈦合金,需要39鎂
其效益約 39*34/52=25.5
花26元台幣下降1公克
https://youtu.be/cnrnat3IYM8
更換前222g
http://i.imgur.com/7ZcLw0H.jpg
更換後170g 減重52g
方案B 手把材質更換
手把目前為原廠,Giant connect 約295g
若改為3T碳纖維手把約205g,7000台幣
則7000/90=78
花78元降1克,但可美化外觀
問題來了,請問大大們
方案A speedplay spindles 網路找不到在賣的
方案B 突發其想而已 , 有更優的推薦嗎
請各位車友分析一下意見 謝謝噢
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