click into gear

all the gear and no idea

Having high-quality, expensive equipment for a risky or difficult activity, without any of the requisite knowledge.

find another gear

To suddenly achieve an extra burst of athletic performance, especially after a sustained period of competitive exertion.

fourth gear

A maximal level of effort.

gear up

To prepare for an activity.

get one's ass in gear

To exert effective effort; to get going; to get moving; to start producing.

second gear

Mediocre, sluggish performance.