Giant ANTHEM - SERVICE Manuel utilisateur

Anthem service manual

Maestro suspension performance. No brake influence, no pedal kick-back, linear rising rate,

superb traction, and absolute efficient pedaling.

Rock-solid lateral rigidity which increase sprinting efficiency and tight cornering stability in

racing courses and singletrack.

The Anthem is built on the basis of our Maestro suspension technology with all the features

that meet today’s XC racing demand.

Aggressive and agile XC racing geometry

Lightweight frame design

Newly designed rear shock. Works well even when set up with little to no sag without

sacrificing the original Maestro suspension performance & characteristics.

TABLE OFCONTENTS

Notice to authorized Giant dealers

Spare Parts

Exploded Drawing

Spare Parts List

Mounting Bolt Torque Settings

Dual Suspension Quick Start Guide

Basic Terms & Shock Set-Up Overview

Air Shick Set-up

Setting and Adjusting Rebound Damping

Front Suspension Travel & Sag Guide

Maintenance

General maintenance

Replacement of Rear Shock

Replacement of Rocker Arm

Replacement of Rear Triangle

Replacement of Joint/Clev

Replacement of Front Frame

Troubleshooting

Notice to authorized Giant dealers

The Anthem is a new XC racing bike based on the Maestro suspension system. It inherits

the strengths of Maestro suspension technology and is tuned and perfected to yield most

efficient XC racing machine. The Anthem is designed to get from start to finish fastest, and

take the rider to the podium.

WARNING

Please read this service manual carefully. Improper assembly of the rear shock or

malfunction of the shock system can be extremely hazardous, and may lead to an

accident causing injury or death.

WARNING

Only Giant Glory™, Faith™, and AC™ model bicycles are engineered for use with dual

crown suspension forks. Use of dual crown suspension forks on any Giant bicycle other

than these models will void the warranty and can result in frame failure, which may cause

injury or death. Giant is not responsible for damage or injury resulting from the improper

use of dual crown forks.

Spare parts

Seq# Articl# (GSC)/no Name Description

0420 12806GU0051A1 12806GU0051A1 LINK BOLTSET GS804H ROCK ARM BOLT SET(2+3+4)

0430 12806GU0048A4 12806GU0048A4 D.LINK BOLT GS804H DOWN PIVOT BOLT SET(6+7)

0440 12806GU0041A6 12806GU0041A6 R.FRAME BOLT GS804H R.FRAME PIVOT PARTS SET(2+6)

0450 12806GU0040A9 12806GU0040A9 SHOCK BOLT GS804H REAR SHOCK BOLT SET(4+5)

Mounting bolt torque settings

Dual Suspension Quick Start Guide

Basic Terms & Shock Set-Up Overview

TERMS

Bottomed Out: When a shock absorber or suspension fork (herein after referred

to as “shock”) is compressed completely and all the suspension travel has been

used.

Compression Stroke: The motion of the shock in response to an impact.

Damping: Internal mechanism to control the speed of compression or rebound.

PSI: Pounds per square inch

Rebound: The extension or return stroke of the shock.

Sag: Compression of the shock caused by the rider’s weight.

Spring Rate: The amount of force required to compress the spring.

Topped Out: When shock or fork returns to its fully extended position rapidly and

produces an audible “clunk”.

SET-UP

Please refer to the individual shock manufacturer’s technical manuals for specific

information on how to adjust the shocks on Giant dual suspension bicycle.

The shocks on Giant dual suspension bicycle can be adjusted to meet riding style

and weight. This booklet is intended as a quick-start guide to help get started. It

may take a few rides to find your preferred settings.

Platform Valve

On bikes equipped with a Manitou Stable Platform Valve™ (SPV)™ rear shock,

you can adjust the bike’s pedaling efficiency by increasing the air pressure in the

SPV air cartridge. Increasing the air pressure will resist pedal-induced bobbing.

Decreasing the air pressure will make the suspension more sensitive to small

bump forces. Please refer to the individual shock manufacturer’s technical manual

for specific information on how to adjust SPV shock.

Sag

All Giant dual suspension bikes rely on sag for their suspensions to work efficiently.

Please take a few moments to read through this guide to understand sag as it

applies to your bicycle. Setting bike’s sag will greatly enhance your riding

experience and the performance of bicycle.

Rebound Damping

Rebound damping controls the rate of speed at which the shock returns to its

original position after responding to a bump force. Rebound damping prevents the

shock from returning to its fully extended position too quickly. This is desirable

because it improves the rear suspension’s sensitivity to small bumps and the tire’s

ability to stay in contact with the ground. It also helps reduce unwanted motion

from the rear suspension when the bike encounters a bump while the rider is

seated. Typically, the heavier the rider [and higher the neccessary spring rate], the

more rebound damping is required. Please refer to this guide for details on how to

set rebound damping date. You should also refer to the individual shock

manufacturer’s technical manual for specific information.

AIR SHOCK SET-UP

Giant cross-country and trail bikes feature an air shock equipped Maestro

suspension design. All rely on sag for proper riding performance.

SETTING AND ADJUSTING MAESTRO (ANTHEM) SAG (air shock)

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

SETTING AND ADJUSTING REBOUND DAMPING

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.

FRONT SUSPENSION TRAVEL & SAG GUIDE

To determine bike’s front suspension travel adjustments and recommended

settings, please refer to the fork manufacturer’s technical manual.

A suspension fork is effective at both absorbing bump forces and helping the tire to

track the ground for improved traction and braking control.

When in active mode, a fork will rely on sag to keep the front tire in better contact

with the ground during braking. The chart should be used as a general guideline.

AIR SPRUNG FORKS

As a general guide, pump the main chamber (main spring) to a psi equal to 70% of

your body weight. Ride off a curb or similar object. If there is little or no movement

from the fork, decrease psi in 10-psi increments until desired movement is

achieved. If the fork bottoms out, increase the psi in 10-psi increments until desired

movement is achieved.

To check rebound, turn the rebound damping knob (if applicable) counter

clockwise until it stops. With full body weight, push down on the fork forcefully with

the front brake on and watch (and feel) how the fork rebounds. Turn the rebound

damping knob clockwise until the fork rebounds slightly slower than with no

damping (the heavier the rider, the more damping will be required).

SPRING AND ELASTOMER SPRUNG FORKS

Springs on these types of forks are set at the factory. Most have a simple adjuster

that allows the rider to make the fork firmer or softer depending on rider weight.

The heavier the rider, the firmer the spring setting should be.

SUGGESTED FRONT SUSPENSION SAG GUIDE (ALL TYPES)

FORK TRAVEL (mm) SAG* (mm)

75 12-15

80 12-16

100 15-20

120 18-30

145 29-37

170 34-50

180 36-54

200 40-60

*Manitou Forks with SPV may not sag upon initial rider weight. To check sag on an

SPV fork, inflate the main spring cartridge to 70% of rider’s weight, and the SPV

cartridge to 30% of rider’s weight (check the manufacturer’s technical info for

details).

Maintenance

General Maintenance

Inspect all suspension bolts and tighten if necessary to required torque

settings.

Do not use high-pressure water sources to wash or rinse bicycle. Doing so

can displace any lubricants that are present, as well as possibly forcing

water and/or contaminants into the bearing that can harm the pivot and

bearing, reduce performance, and cause premature wear. Use only low

pressure water, or bucket water with a soft nylon bristle brush and mild dish

soap to clean the frame and components.

Always use LoctiteTM Primer (#7649) and LoctiteTM blue Removable

Threadlock (#242) or similar material on thread of fixing bolts of calipers

and rotors during re-assembly.

Replacement of rear shock

Steps 1:

Loosen the shock mounting bolt

and remove the shock.

Repeat Step 1 in reverse to reassemble the rear shock.

Shock mounting bolt Shock mounting bolt

Recommended torque for the shock mounting bolt is 90-110 kgf-cm.

Replacement of rocker arm

Before dismantling the rocker arm:

Remove the rear shock.

Step 1:

Loosen the bolt and remove the

rocker arm.

Repeat Step 1 in reverse to reassemble the rocker arm.

Rock arm

Rear Triangle Bolt

Rock arm Bolt

Recommended torque for the rear triangle bolt is 120-150 kgf-cm.

Recommended torque for the rock arm bolt is 90-110 kgf-cm.

Recommended torque for the shock mounting bolt is 90-110 kgf-cm.

Replacement of Rear Triangle

Before dismantling the rear triangle:

Remove the rear wheel set.

Remove the crank, chain wheel, chain.

Remove the rear brake.

Remove the rear ends, derailleur.

Step 1:

Loosen the rear triangle bolt and

remove the rear triangle.

Repeat Step 1 in reverse to reassemble the rear triangle.

Bolt

Recommended torque for the rear triangle bolt is 120-150 kgf-cm.

Replacement of Joint/clev

Before dismantling the Joint/Clev:

Remove the crank,

Remove the chain wheel.

Step 1:

Loosen the Joint/Clev bolt and

remove the Joint/Clev.

Repeat Step 1 in reverse to reassemble the Joint/Clev.

Joint/Clev bolt

Joint/Clev

Rear triangle bolt

Recommended torque for the rear triangle bolt is 120-150 kgf-cm.

Recommended torque for the Joint/Clev bolt is 120-150 kgf-cm.

Replacement of front frame

Step 1: Remove the rear shock, rocker arm.

Step 2: Remove the rear triangle (follow rear triangle disassembly steps).

Step 3: Remove the saddle, seat post, seat post clamp.

Step 4: Remove the front fork, heat parts, stem

Step 5: Remove the Joint/Clev (follow Joint/Clev disassembly steps).

Troubleshooting

Q1: If the frame pivots and links for any looseness or play

1. Make sure that the pivot bolts are tightened to the appropriate torque value

2. If the pivot bolt is not tightened to the apporpriate torque value, unthread

the bolt enough to expose the receiving threads on frameset or linkage.

3. Put one drop of blue LoctiteTM on the exposed receiving threads.

4. Tighten the bolt to the appropriate torque value.

5. Wipe off excess blue LoctiteTM on the back of the threads.

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