Ergon BC Urban Mode D'emploi page 13

ERGON BIKE ERGONOMICS
Adjusting the Torso Back Length
1. Loosen the Velcro strap, by pulling.
3. Loosen the hidden Velcro surfaces connecting the pack and
the adjustable back plate and hold open.
5. Thread the Velcro strap's end through the eyelet of the
desired size, close and stow its end in the opening.
2. Pull the loose end of the Velcro strap through the eyelet of
the adjustable back plate.
4. Pull upward on the adjustable back plate to extend into
the required length (size) (S/M/L/XL) and reconnect Velcro
surfaces. The desired size is correct when a white marker can
be seen above the relevant size marking.
6. For further individual contour adjustments of the alloy rails,
use one hand inside the upper pack for support and take the
other hand to bend the rail into the desired shape. If needed,
the adjustable back plate can be removed altogether.
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