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Q factor (bicycles)

Index Q factor (bicycles)

The Q Factor of a bicycle is the distance between the pedal attachment points on the crank arms, when measured parallel to the bottom bracket axle. [1]

9 relations: Bicycle, Bicycle pedal, Bottom bracket, Bridgestone, Crankset, Grant Petersen, Recumbent bicycle, Sheldon Brown (bicycle mechanic), University of Birmingham.


A bicycle, also called a cycle or bike, is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other.

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Bicycle pedal

The bicycle pedal is the part of a bicycle that the rider pushes with their foot to propel the bicycle.

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Bottom bracket

The bottom bracket on a bicycle connects the crankset (chainset) to the bicycle and allows the crankset to rotate freely.

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() is a multinational auto and truck parts manufacturer founded in 1931 by in the city of Kurume, Fukuoka, Japan.

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The crankset (in the US) or chainset (in the UK), is the component of a bicycle drivetrain that converts the reciprocating motion of the rider's legs into rotational motion used to drive the chain or belt, which in turn drives the rear wheel.

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Grant Petersen

Grant Petersen is a bicycle designer and the founder of Rivendell Bicycle Works.

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Recumbent bicycle

A recumbent bicycle is a bicycle that places the rider in a laid-back reclining position.

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Sheldon Brown (bicycle mechanic)

Sheldon Brown (July 14, 1944 – February 4, 2008) was an American bicycle mechanic, technical expert and author.

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University of Birmingham

The University of Birmingham (informally Birmingham University) is a public research university located in Edgbaston, Birmingham, United Kingdom.

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Q Factor (Bicycles), Q Factor (bicycles), Q factor (bicycles.


[1] https://en.wikipedia.org/wiki/Q_factor_(bicycles)

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