freehub
名词 n.
英文释义
名词 n.
-
A type of bicycle hub incorporating a ratcheting mechanism, with a cassette, or set of sprockets, mounted onto a splined shaft of the hub to engage the chain.
— In many high-end and midrange bicycles, freehubs have replaced freewheel systems.
词形变化
词源
From free + hub, genericized trademark.
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数据来源: Wiktionary