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Giant Anthem Advanced SL 1 Gxs

Build SRAM AXS

High endCross-countryFull suspensionCarbonReleased in 2026
Giant Anthem Advanced SL 1 Gxs, side view

Giant Anthem Advanced SL 1 Gxs

cross-country full suspension mountain bike, carbon frame, 29" wheels, 1×12 drivetrain, high end equipment

Key specs

Model year
2026
Frame
Carbon
Suspension
Full suspension, 120 / 120 mm
Fork model
RockShox SID Select+ 3P
Shock
RockShox SidLuxe Select+
Wheelset
29" · Giant XCR WheelSystem
Drivetrain
1×12
Groupset
SRAM Eagle AXS, GX Eagle Transmission
Brake model
Shimano Deore XT BR-M8220
Seatpost
Dropper · Giant Contact Switch SL dropper, remote

Spec sheet

Every value is read on the brand’s page; hover it to see its source and date.

Ride type

Discipline
Cross-country
Suspension
Full suspension

Frame and fork

Frame
Carbon
Max tyre clearance
61 mm
Axles
Thru-axles
Bottom bracket
SRAM DUB, press fit
Seatpost diameter
30.9 mm

Suspension

Fork travel
120 mm
Rear travel
120 mm
Fork model
RockShox SID Select+ 3P
Shock
RockShox SidLuxe Select+

Drivetrain

Groupset brand
SRAM
Groupset
SRAM Eagle AXS, GX Eagle Transmission
Shifting
Electronic, wireless
Chainrings
1
Gears at the back
12
Chainring teeth
SRAM GX Transmission, 34t, 55mm chainline
Cassette
SRAM XS 1275, 10x52
Rear derailleur
SRAM GX AXS Transmission
Shifters
SRAM AXS Pod, discrete clamp, 1x12

Brakes

Brakes
Hydraulic disc
Brake model
Shimano Deore XT BR-M8220
Front rotor
180 mm
Rear rotor
160 mm

Wheels and tyres

Wheel size
700c / 29"
Wheelset
Giant XCR WheelSystem
Tubeless ready
yes
Tyres
Maxxis Aspen 29x2.4, foldable, 120tpi, MaxxSpeed, EXO, tubeless
Tyre width fitted
61 mm

Cockpit and seatpost

Seatpost
Dropper
Handlebar width
780 mm
Handlebar
Giant Integrated XC, composite, 780mm, 9-degree upsweep
Stem
Giant Integrated XC Carbon
Seatpost model
Giant Contact Switch SL dropper, remote

Weight

Weight
Being updated

Geometry

Geometry size
MD LOW
Stack
607 mm
Reach
445 mm
Head angle
66.5 °
Seat angle
75.5 °
Chainstays
437 mm
Wheelbase
1,168 mm
Bottom bracket drop
51 mm

Character

The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.

« Mountain bike very demanding, very stable, rather high equipment. »

Terrain
3 bikes1 bike6 bikes3 bikes13 bikes3 bikes2 bikes4 bikes1 bike7 bikes2 bikes3 bikes2 bikes2 bikes5 bikes1 bike4 bikes4 bikes2 bikes3 bikes3 bikes4 bikes1 bike2 bikes2 bikes4 bikes2 bikes · Anthem Advanced SL 1 Gxs5 bikes2 bikes2 bikes1 bike5 bikes2 bikes
EasyDemanding

Built for rougher ground than most other cross-country mountain bikes.

Handling
4 bikes1 bike1 bike2 bikes2 bikes2 bikes2 bikes1 bike2 bikes7 bikes1 bike2 bikes4 bikes1 bike3 bikes2 bikes1 bike1 bike2 bikes2 bikes1 bike1 bike5 bikes4 bikes · Anthem Advanced SL 1 Gxs2 bikes2 bikes3 bikes1 bike
NimbleStable

Steadier at speed than most other cross-country mountain bikes.

Not enough data yet for the Gearing chart: it fills in once the sheet is complete.

Not enough data yet for the Equipment level chart: it fills in once the sheet is complete.

Anthem Advanced SL 1 Gxsother cross-country mountain bikes

Geometry

8 sizes: SM HIGH, SM LOW, MD HIGH, MD LOW, LG HIGH, LG LOW, XL HIGH, XL LOW.

Geometry of the Anthem Advanced SL 1 Gxs per size
Geometry of the Anthem Advanced SL 1 Gxs per size
Reach (mm) 425420450445470465495490
Stack (mm) 599602603607612616622626
Top tube (effective) (mm) 574576600602623624650651
Seat tube (mm) 400400420420465465495495
Head tube (mm) 90909595105105115115
Head angle (°) 6766.56766.56766.56766.5
Seat angle (°) 7675.57675.57675.57675.5
Chainstays (mm) 435437435437435437435437
Wheelbase (mm) 1,1401,1411,1671,1681,1911,1921,2201,221
Front centre (mm) 709709736736760760789789
Standover (mm) 775769771764763758758751
BB drop (mm) 4551455145524552
BB height (mm) 329323329323329322329322
Fork offset (mm) 4444444444444444
Trail (mm) 112116112116112116112116
Stem (mm) 6060707070708080
Handlebar width (mm) 780780780780780780780780
Crank length (mm) 170170170170175175175175

The range

Comparable mountain bikes

See all

Who is it for?

The sports the brand announces, and the features that go with them.

  • Cycling

    • Discipline: Cross-country

Frequently asked questions

Is the Giant Anthem Advanced SL 1 Gxs a hardtail or a full suspension?

Full suspension, according to the brand.

How much travel does the Giant Anthem Advanced SL 1 Gxs fork have?

120 mm, according to the brand.

Does the Giant Anthem Advanced SL 1 Gxs come with a dropper post?

Seatpost: Dropper, according to the brand.

Specs updated on Nov 12, 2026Some values come from third-party spec databases, cross-checked with the brand where it publishes them.Report an error