Like, on a mountainbike you have two levers, one for the index finger and one for the thumb. why does on the right side the index give a “harder” gear and on the left the index finger lever give a “easier” gear? couldn’t they both give high and low gear in the same direction?
In: Engineering
Because the front gear needs to shift to a blade with more teeth while the back gear needs to shift to a blade with less teeth to achieve the same effect.
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