Frame – Koga GENERAL INSTRUCTION User Manual

Page 16

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The frame can end up bent after
an accident or a fall. If you are
uncertain, have your Koga dealer
check the frame. In some cases
the frame can be straightened.

Never ride bicycle with
a frame that has cracks
or is visibly bent. Take
your bicycle to a Koga


Treat paint damage and rust
spots immediately with original
Koga paint pens (1A).
Keep the frame clean. Regularly
polish the frame with car wax or
cleaning oil.

Always remove oil and
grease residue from the

After cycling on roads with salt
on them, fully rinse your bicycle
with cold water. Never use warm
water because this encourages
the corrosive working.


Perspiration is highly
conducive to corrosion.

Clean and treat the places that
are exposed to perspiration extra.

Corrosion caused
by perspiration is
not covered by the

Maintenance of polished

(frame) surface

Polished surfaces are provided
with a durable blank lacquer
layer. Stone chippings or user
damage can cause damage to
the blank lacquer, which can lead
to corrosion in the long term. It is
therefore of great importance that
you regularly check your frame
for (blank) lacquer damage and
touch it up where necessary. It
is important to apply sufficient
lacquer; generously on the place
of the damage so that it is fully
closed off from exposure to the
A blank lacquer paint pen is
available from your Koga dealer.

Frame number

The frame number can be found
on the frame sticker (2A).

Di2 electronic shifting


Road racing bicycles featuring
the Shimano Di2 electronic
shifting system with an internal
battery have been developed
with a carrier at the water bottle
basements at the inside of
the seat tube. The battery is
mounted into this carrier. This
battery carrier is positioned
and mounted with an M5 stud.
Charging the battery is carried
out through the control unit
located at the stem.