Single-speed bicycle

（重定向自Single Speed）

A single-speed mountain bike. The frame was modified by replacing the rear drop-outs with track fork ends to allow the chain to be tensioned.

Old racing bicycle, casually converted to single speed. Note the semi-horizontal drop-outs, and redundant second chainring.

A single-speed bicycle is a type of bicycle with a single gear ratio. These bicycles are without derailleur gears, hub gearing or other methods for varying the gear ratio of the bicycle.

There are many types of modern single speed bicycles; BMX bicycles, most bicycles designed for children, cruiser type bicycles, classic commuter bicycles, unicycles, bicycles designed for track racing, fixed-gear road bicycles, and single-speed mountain bikes.

单词	Single Speed
释义	Single Speed 原声例句科普小杂文 They have a single speed transmission that sends power from the induction motor to the wheels. 它们具有单速变速箱，该变速箱将功率从感应电动机传递到车轮。 Elon Musk系列视频 There's no gears. It's, like, single speed. 你可以像跑车一样驾驶它。英语百科 Single-speed bicycle （重定向自Single Speed） A single-speed bicycle is a type of bicycle with a single gear ratio. These bicycles are without derailleur gears, hub gearing or other methods for varying the gear ratio of the bicycle. There are many types of modern single speed bicycles; BMX bicycles, most bicycles designed for children, cruiser type bicycles, classic commuter bicycles, unicycles, bicycles designed for track racing, fixed-gear road bicycles, and single-speed mountain bikes.
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