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These often creak. Suggest anyone that gets this type of adjustable ahead/quill stem hybrid things take them apart when its new and apply very high pressure grease (lots of Moly in it) to all the contact surfaces. Then use a mild thread lock on the bolts that hold the adjusters together and set to the desired height before it sets. They often sound like a nasty BB, creaky clicky graunching sound when any load put on them.
Don’t heed this haha, get the bars you want :)
Also I hate the adjustable stem that comes with them