That bracket does have a number, but it's apparently cut off on your diagram. Odd that it's missing. Did someone photocopy or is it a bootleg copy of the parts catalog? Anyway, it's part # 4160031, Bracket, Brakeline. It's listed in the 2016RGU description portion of the parts catalog, so should be on your bike. My lines are not loose and dangly as you describe, and couldn't get them to jangle or ding by pulling or tugging regardless position of handlebars. They're snug. They run down into clamp #10, which is zip tied to the frame. Took a flashlight but wasn't able to see the clamp, not because I don't believe it's there, but because the tank/dash assembly are in the way of any clear view. Is your bracket #10 zip tied to the bike?
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