cog drive 中文意思是什麼
cog drive
解釋
嵌齒傳動-
A direct drive system, used on track bikes, in which the chain ring and rear cog are linked, so that the pedals turn constantly while the bicycle is moving, and coasting isn ' t possible
固定飛輪，或稱「死飛」 ，飛輪與后輪軸皮連為一體，腳踏轉動與后輪轉動完全同步，無法實現一般棘輪飛輪自行車的腳踏不動時的滑動。
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