Youin AMSTERDAM Manual De Usuario página 16

Operation Instruction
Brake adjustment
If there is noise from the rear brake, you can adjust this screw. This screw can be
adjusted to loosen and tighten of the rear brake.
Front brake
Rear Carrier
When installing the rear carrier onto the rear wheel,
make sure the screws are firmly fixed.
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YOU-RIDE AMSTERDAM
Rear brake
Light
Insert the screw and
tighten it.