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KONA OWNER’S MANUAL
4
C) MECHANICAL SAFETY CHECK
Routinely check the condition of your bicycle before
every ride.
Nuts, bolts, screws & other fasteners:
Because
manufacturers use a wide variety of fastener sizes and
shapes made in a variety of materials, often differing by
model and component, the correct tightening force or
torque cannot be generalized. To make sure that the many
fasteners on your bicycle are correctly tightened, refer to
the Fastener Torque Specic actions in Appendix E of this
manual or to the torque specications in the instructions
provided by the manufacturer of the component in
question. Correctly tightening a fastener requires a
calibrated torque wrench. A professional bicycle mechanic
with a torque wrench should torque the fasteners on you
bicycle. If you choose to work on your own bicycle, you
must use a torque wrench and the correct tightening
torque specications from the bicycle or component
manufacturer or from your dealer. If you need to make an
adjustment at home or in the eld, we urge you to
exercise care, and to have the fasteners you worked on
checked by your dealer as soon as possible. Note that
there are some components that require special tools and
knowledge. In Sections 3 and 4 we discuss the items that
you may be able to adjust yourself. All other adjustments
and repairs should be done by a qualied bicycle mechanic.
WARNING: Correct tightening force on fasteners
— nuts, bolts, screws — on your bicycle is important.
Too little force, and the fastener may not hold
securely. Too much force, and the fastener can strip
threads, stretch, deform or break. Either way, incorrect
tightening force can result in component failure, which
can cause you to lose control and fall.
Make sure nothing is loose. Lift the front wheel off the
ground by two or three inches, then let it bounce on the
ground. Anything sound, feel or look loose? Do a visual
and tactile inspection of the whole bike. Any loose parts
or accessories? If so, secure them. If you’re not sure, ask
someone with experience to check.
Tires & Wheels: Make sure tires are correctly inated
[see Section 4.G.1]. Check by putting one hand on the
saddle, one on the intersection of the handlebars and
stem, then bouncing your weight on the bike while
looking at tire deection. Compare what you see with how
it looks when you know the tires are correctly inated;
and adjust if necessary. Tires in good shape? Spin each
wheel slowly and look for cuts in the tread and sidewall.
Replace damaged tires before riding the bike. Wheels
true? Spin each wheel and check for brake clearance and
side-to-side wobble. If a wheel wobbles side to side even
slightly, or rubs against or hits the brake pads, take the
bike to a qualied bike shop to have the wheel trued.
CAUTION: Wheels must be true for the brakes to
work effectively. Wheel truing is a skill which requires
special tools and experience. Do not attempt to true a
wheel unless you have the knowledge, experience and
tools needed to do the job correctly.
Wheel rims clean and undamaged? Make sure the rims
are clean and undamaged at the tire bead and, if you
have rim brakes, along the braking surface. Check to
make sure that any rim wear indicator marking is not
visible at any point on the wheel rim.
WARNING: Bicycle wheel rims are subject to wear.
Ask your dealer about wheel rim wear. Some wheel
rims have a rim wear indicator which becomes visible
4
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