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Bicycle gear change is such that transmission takes place by changing circle diameter, and selector mechanism enables speed selection, with gear rings made superfluous and chain band extending in straight line
Bicycle gear change is such that transmission takes place by changing circle diameter, and selector mechanism enables speed selection, with gear rings made superfluous and chain band extending in straight line
The bicycle gear change is such that the transmission takes place by changing a circle diameter. A selector mechanism enables speed selection, gear rings are made superfluous, and the chain band extends in a straight line.
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