Schwinn Hybrid Owner's Manual page 64

• Carefully check the control cables and cable housings. Any
rust? Kinks? Fraying? If so, have your dealer replace them.
• Squeeze each adjoining pair of spokes on either side of
each wheel between your thumb and index finger. Do
they all feel about the same? If any feel loose, have your
dealer check the wheel for tension and trueness.
• Check the tires for excess wear, cuts or bruises. Have your
dealer replace them if necessary.
• Check the wheel rims for excess wear, dings, dents and
scratches. Consult your dealer if you see any rim damage.
• Check to make sure that all parts and accessories are still
secure, and tighten any that are not.
• Check the frame, particularly in the area around all tube
joints; the handlebars; the stem; and the seatpost for any
deep scratches, cracks or discoloration. These are signs of
stress-caused fatigue and indicate that a part is at the end
of its useful life and needs to be replaced. See also
Appendix B.
5. Disc brakes require a different set of inspection steps. Check for
these issues before every ride:
• Pads rubbing on rotors.
• Worn out pads (which can lead to over-extended pistons).
• Pistons that are stuck and/or won't retract fully.
• Disc rotors that are bent and need straightening. Contact
customer relations.
• Hydraulic brakes that feel "sponge-y" and/or levers that
can be depressed all the way to the grips w/o generating
adequate stopping power (due to trapped air and/or leaks).
WARNING!
Like any mechanical device, a bicycle and its components are
subject to wear and stress. Different materials and mechanisms
wear or fatigue from stress at different rates and have different
life cycles. If a component's life cycle is exceeded, the
component can suddenly and catastrophically fail, causing
serious injury or death to the rider
Scratches, cracks, fraying and discoloration are signs of stress-
caused fatigue and indicate that a part is at the end of its useful
life and needs to be replaced. While the materials and
workmanship of your bicycle or of individual components may
be covered by a warranty for a specified period of time by the
manufacturer, this is no guarantee that the product will last the
term of the warranty. Product life is often related to the kind of
riding you do and to the treatment to which you submit the
bicycle. The bicycle's warranty is not meant to suggest that the
bicycle cannot be broken or will last forever. It only means that
the bicycle is covered subject to the terms of the warranty.
Please be sure to read Appendix D, Intended Use of your bicycle
and Appendix A, The lifespan of your bike and its components.
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