Assuming you have spacers below the stem, it is easy to lower the bar and see how you like it... set it back if you don't.
If your stem has any rise, you can also flip it to drop the bars... also easy to reverse if you don't like it.
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Slow Ride Cyclists of NEPA
People do not seem to realize that their opinion of the world is also a confession of character.
- Ralph Waldo Emerson