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Use "upshifting" in a sentence
"Instead of a single lever that is pushed up or down, the Metron uses a TT-brake-style lever to pull in cable, downshifting the rear derailleur or upshifting the front."
"Making matters worse, automakers have not settled on a standard for where this manual override slot should be and which direction is for upshifting or downshifting, so you have to relearn it in every car."
"In most cars, downshifting requires tugging back and upshifting pushing forward."