The phrase "alter gear" is correct and usable in written English.
It can be used in contexts related to changing or adjusting equipment, particularly in technical or mechanical discussions.
Example: "Before we start the race, make sure to alter gear for optimal performance."
Alternatives: "change gear" or "adjust gear".
When the mill was modernised in 1832 it was necessary to alter the gear ratios within the mill, as Patent sails run at a slower speed than Common sails.
"Change gear, change gear, change gear, check mirror, murder a prostitute, change gear, change gear, murder.
Plan a weekend excursion (or weeklong one, if finances and time allows) to a healthy spa or retreat, says Pire. "This can be life altering, geared to getting on and staying on the wagon long after you return home".
The prime minister, Malcolm Turnbull, told reporters on Sunday he was carefully considering changes to tax policy after a discussion on Saturday with John Howard in which the former prime minister urged Turnbull to be cautious about altering negative gearing concessions.
On screen, Hiddleston's willowy alter egos come geared for hard choices and difficult ground.
In action, the pulleys vary gearing according to force, altering their spread and tension on the chain almost infinitely, yielding a remarkably smooth power transfer.
No rule changes and no protective gear can alter that fact, according to Omalu, and he pins most of his hope for saving the sport on a "pharmacological intervention" – such as a pill one could take to prevent the buildup of tau.
The new stability control system was improved to anticipate skids and alter steering assist and gear ratios.
To accommodate a Gruber Assist, Schweitzer said, a racer's bike would have to be modified to hide the batteries inside the frame (they normally rest in an obvious saddle pack) and to alter the motor's gearing to match a high pedaling rate.
The Australian ex-pro surfer Mic Eaton started Material Boy by altering the surf gear sent to him by sponsors.
