Single-speed bicycle
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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.
The Flying Pigeon PA-02, a single-speed utility bicycle, is the most produced bicycle model in history.
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.
Racing bicycle, once equipped with multiple gears and derailleurs, converted to single speed. Note the semi-horizontal drop-outs, and redundant second chainring.
Spring-loaded chain tensioner
Cruiser bicycle
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A cruiser bicycle, also known as a beach cruiser or motobike, is a bicycle that usually combines balloon tires, an upright seating posture, a single-speed drivetrain, and straightforward steel constru
Single-speed bicycle
…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 and cyclocross bikes…
Schwinn AeroCycle in Longmont Museum & Cultural Center
1950s Huffy Radio Bicycle
Schwinn advertisement from 1946