freehub

词形变化

freehubs 复数 freehubs

释义与例句

n.
  1. 1.

    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.

词源

From free + hub, genericized trademark.

来源：wiktionary