Gardeo GTDTAC51HP6T-BS675RT Traduction Des Instructions D'origine page 77

If you want to adjust height of the handle bar, you can choose" L" or "H" two holes in
left-right Bracket to fix the handle bar with screws and knobs.
The "H" hole is high position of the handle bar, and the "L" hole is low position of the
handle bar.
Brake Cable Setup
Put the brake cable to the hole of brake lever. (see the arrow mark)
77