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Air Shick Set-up; Setting And Adjusting Rebound Damping - Giant ANTHEM Service Manual

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Giant cross-country and trail bikes feature an air shock equipped Maestro
suspension design. All rely on sag for proper riding performance.
1. Pump the main air chamber to a psi (pounds per square inch) equivalent
to rider's body weight .
2. Push the rubber O-ring that is around the shock's shaft all the way
against the base of shaft (closest to shock body).
3. Position your bicycle next to a wall so that you can sit on the bike with
both feet on the pedals while steadying yourself with one arm. Gently sit
on the saddle without bouncing. Dismount gently and look at how far the
O-ring has moved down the shaft. Measure distance O-ring has moved.
4. Add or remove air until desired shock movement is obtained. Refer to the
Sag Recommenda-tion Guide below for proper sag measurements.
Maestro Sag Recommendations: Anthem: 1/4" (6mm) O-ring movement


1. If you are unfamiliar with rebound damping, perform this procedure: With full
body weight, push down on the saddle forcefully to compress the shock. Watch
(and feel) how the shock rebounds from compression.
2. Next, turn the rebound damping knob clockwise until it stops and compress the
shock under full body weight. Note that the shock rebounds very slowly. Next, turn
the damping knob counterclockwise a few turns and re-perform your compression
testing until the shock rebounds just slightly more slowly than with no damping.
3. To check the rebound damping rate while riding, ride off a curb while seated.
The rear suspension should bounce only once upon rebound (the heavier the rider,
the more damping will be required). Adjust accordingly to accomplish this motion. If
the suspension bounces more than once, turn the damping knob in the appropriate
direction until one bounce is achieved.


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