the ratio of the rotational speeds of the first and final gears in a train of gears or of any two meshing gears.
the ratio of the diameters of the pitch surfaces of any two meshing gears or of the numbers of their teeth.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use gear ratio in a sentence
When one asks about a fixed gear, Pérez nimbly darts through the narrow shop to give them advice on tire size and gear ratio.The Latin American Immigrants Shaking Up New York City’s Bike Races | smurguia | August 12, 2021 | Outside Online
Unfortunately, larger tires will also reduce a vehicle’s effective gear ratio.Everything You Need to Know About All-Terrain Tires | Wes Siler | April 6, 2021 | Outside Online
The most suitable gear-ratio for any rider will depend upon his personal physique and the nature of the country in which he rides.
When the central pinion is held stationary the hub is driven at a less speed than the chain-wheel; the gear-ratio is 100 : 76.2.
In expressing the gear-ratio, the normal speed will be denoted by 100.
The gear ratio is such that one turn of the handle will turn the chuck five or six revolutions.Aviation Engines | Victor Wilfred Pag
The gear-ratio of a two-speed gear is the ratio of the high to the low gear.