Owner’s Manual
to the sections of drive arm immediately in front of and
behind the foot platforms, as these are the areas under
the greatest amount of stress during operation.
Again, never ride on a drive arm that has a crack,
regardless of the size. Instead, contact
service@elliptigo.com for a replacement drive arm.
Delamination
Your carbon fiber drive arm is comprised of several
thin layers of carbon fibers bonded together by epoxy.
Delamination describes the condition where the
carbon fiber layers separate from each other.
Delamination can have a number of causes,
many of which do not require abusing the part.
Regardless of why the delamination occurred in the
first place, the result is that it can greatly reduce
the strength of the part and put the rider at risk
of an unexpected catastrophic failure that can result
in serious injury or death. Consequently, you should
never ride on a drive arm or other component that
shows signs of delamination. Instead, contact
service@elliptigo.com for a replacement drive arm, or
your component dealer for a replacement component.
There are several dierent visual indicators that can
be signs of delamination. The most common sign of
delamination is a cloudy discolored area forming on
the surface of the part. Undamaged carbon fiber
should appear glossy black or gray. Examine your new
drive arms to get a good picture of what undamaged
carbon fiber looks like. If an area on your drive arm
begins to look cloudy, this is a sign of delamination.
The second most common visual sign of delamination
is slight deformations in the part itself. When
you receive your elliptical bike, inspect it so you
can become familiar with the smooth lines of the drive
arms. During your regular inspections, pay attention
to these lines to see if there has been any change to
them, especially a single bulge, bump or depression
in the part. If you find something unusual this could
be a sign of delamination. Before riding, take your bike
to a professional bicycle mechanic or ElliptiGO®-
certified technician for inspection. When in doubt,
contact service@elliptigo.com for a replacement drive
arm.
In addition to visual signs, there are audible indicators
of delamination. When riding listen for any creaking
or popping sounds coming from the drive arms.
Your drive arms should be quiet. If a drive arm is
creaking under load, this is a strong indicator
that it is damaged and could fail catastrophically
during normal operation. Even if you can’t see any
signs of delamination or cracking, a creaking drive
arm must be replaced. In that case, do not ride.
Instead, contact service@elliptigo.com immediately for
a replacement drive arm.
IV
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