Ergon BX4 Evo Mode D'emploi page 13

ERGON BIKE ERGONOMICS
Adjusting the Back Length
1. Loosen the Velcro connection and pull the opened Velcro
strap from the eye of the adjustable back plate.
3. Loosen the connection of the Velcro surfaces that connect
the backpack compartment and the adjustable back plate
and hold it open.
5. Thread the strap through the eye of the required size.
Close the Velcro and stow the end of the strap in the
opening. Close the neck straps by connecting the clips in
the neck area.
2. Loosen the neck straps by opening the clips in the neck
area.
4. Pull the back plate to the required size (S/M/L/XL/XXL), and
close the Velcro again. The required size is correctly set when
a green marker can be seen above the relevant size marking.
6. The contoured, horizontal aluminium bar can be individually
adjusted, if required. It prevents the backpack from bulging
against the wearer's back.
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