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!
WARNING: The full force of the cam action is needed to
clamp the seatpost securely. Holding the nut with one hand
and turning the lever like a wing nut with the other hand until
everything is as tight as you can get it will not clamp the
seatpost safely.
!
WARNING: If you can fully close the quick release without
wrapping your ngers around a frame tube for leverage, and
the lever does not leave a clear imprint in the palm of your
hand, the tension is insufcient. Open the lever; turn the tension
adjusting nut clockwise a quarter turn; then try again.
to make sure that it is centered in the frame and clears the
brake pads; then squeeze the brake lever and make sure that
the brakes are operating correctly.
B. Seatpost Quick Release
Some bikes are equipped with a quick-release seat post
binder. The seatpost quick-release binder works exactly like the
wheel quick-release (Appendix B. A. 1.) While a quick release
looks like a long bolt with a lever on one end and a nut on the
other, the quick release uses a cam action to rmly clamp the
seat post (see g. 19).
!
WARNING: Riding with an improperly tightened seat post
can allow the saddle to turn or move and cause you to lose
control and fall. Therefore:
1. Ask your dealer to help you make sure you know how to
correctly clamp your seat post.
2. Understand and apply the correct technique for clamping
your seat post quick release.
3. Before you ride the bike, rst check that the seatpost is
securely clamped.
1. Adjusting the seatpost quick release mechanism
The action of the quick release cam squeezes the seat
collar around the seat post to hold the seat post securely
in place. The amount of clamping force is controlled by
the tension adjusting nut. Turning the tension adjusting nut
clockwise while keeping the cam lever from rotating increases
clamping force; turning it counterclockwise while keeping the
cam lever from rotating reduces clamping force. Less than half
a turn of the tension adjusting nut can make the difference
between safe and unsafe clamping force.