Rear-wheel Gear Mechanism On Bicycle is a photograph by Adam Hart-davis/science Photo Library which was uploaded on September 16th, 2018.
Rear-wheel Gear Mechanism On Bicycle
Rear-wheel gear mechanism on bicycle. Bicycle gears allow you to change the number of revolutions the rear wheel will make for every revolution of... more
Title
Rear-wheel Gear Mechanism On Bicycle
Artist
Adam Hart-davis/science Photo Library
Medium
Photograph
Description
Rear-wheel gear mechanism on bicycle. Bicycle gears allow you to change the number of revolutions the rear wheel will make for every revolution of the pedals. This offers control over the amount of force needed to turn the pedals. The chain transfers the turning force from the pedals and chain wheel (not seen) to the rear wheel. The derailleur (lower centre, silver) moves the chain between the various gear-wheels. If the chain sits on a small gear-wheel, the rear wheel will perform more revolutions for every turn of the pedals; if on a larger gear-wheel, it will perform fewer.
Uploaded
September 16th, 2018
More from Adam Hart-davis/science Photo Library
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