Gocycle
®
Owner’s Manual for GX, April 2019
© Karbon Kinetics Limited. All Rights Reserved. 35
Delaminated areas will look opaque and cloudy.
2. Bulging or deformed shape. If delamination occurs, the surface shape may change. The
surface may have a bump, a bulge, soft spot, or not be smooth and fair.
3. A difference in sound when tapping the surface. If you gently tap the surface of an
undamaged composite you will hear a consistent sound, usually a hard, sharp sound. If you
then tap a delaminated area, you will hear a different sound, usually duller, less sharp.
7.4.17 Unusual Noises
Regular creaking noises such as in time with your pedalling, the wheels turning, or your regular
pulling or pushing, or bobbing of the suspension system could indicate loose or maladjusted
components or a problem. A well maintained Gocycle should be generally free of creaks and squeaks
that occur rhythmically with pedal, wheel, bobbing movements. Investigate and find the source of any
noise. It may not be a crack or delamination, but whatever is causing the noise must be fixed or
replaced before riding. Occasional creaks or squeaks or creaks or squeaks that are related to
lubrication or temperature variations or changes in humidity do occur with normal riding and as the
product ages.
WARNING: Do not ride a Gocycle or component with any delamination or crack. Riding a
delaminated or cracked frame, fork or other component could lead to complete failure, with
risk of serious injury or death.
7.4.18 Understanding components
It is often necessary to remove and disassemble components in order to properly and carefully
inspect them. This is a job for a professional bicycle mechanic with the special tools, skills and
experience to inspect and service your Gocycle to Gocycle's approved procedures.
7.4.19 Aftermarket “Super Light” components
Think carefully about your rider profile as outlined above. The more you fit the “shorten product life”
profile, the more you must question the use of super light components. The more you fit the “lengthen
product life” profile, the more likely it is that lighter components may be suitable for you. Discuss your
needs and your profile very honestly with your Gocycle dealer or Gocycle.
Take these choices seriously and understand that you are responsible for the changes.
A useful slogan to discuss with your Gocycle dealer if you contemplate changing components is
“Strong, Light, or Cheap –pick any two.”
7.4.20 Original Equipment components
Gocycle tests the fatigue life of the components that are original equipment on your bike. This means
that they have met test criteria and have reasonable fatigue life. It does not mean that the original
components will last forever. They won’t.
7.5 Fastener Torque Specifications
Correct tightening torque of threaded fasteners is very important to your safety. Always
tighten fasteners to the correct torque. In case of a conflict between the instructions in this
manual and information provided by a component manufacturer, consult with your Gocycle
dealer or the manufacturer’s customer service representative for clarification. Bolts that are
too tight can stretch and deform. Bolts that are too loose can move and fatigue. Either mistake
can lead to a sudden failure of the bolt.
Always use a correctly calibrated torque wrench to tighten critical fasteners on your bike.
Carefully follow the torque wrench manufacturer’s instructions on the correct way to set and
use the torque wrench for accurate results.
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