[問題] 請問變速系統
尺數 前大後小 通常是用在什麼坡段或時機?
我平常前面用小盤 後面用大盤 爬坡 平路都很ok
反過來則覺得阻力很大 想請教什麼時候會用這樣的組合? 謝謝
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順帶一問 有時會遇到時而上坡 時而下坡的情況 也要怎麼調變嗎?
感覺..很麻煩且不是很必要,因為下坡即便用上坡的組合還是OK
※ 編輯: DecaRaBia (36.232.114.138), 10/11/2014 13:09:58
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