Quiver

Giant2026

XTC Advanced 29

XC4 sizes, S to XL44 verified measurements

The 2026 Giant XTC Advanced 29 is an XC bike offered in 4 sizes, S to XL. Reach runs from 416 to 477 mm and stack from 604 to 632 mm. It ships with Shimano XT M8100 and Giant XCR 2.

Every number on this page was confirmed by at least two independent sources. Where a figure is not verified, the cell says so instead of guessing. Verified against giant-bicycles.com and at least one independent source. Last checked .

Key facts

Brand
Giant
Model
XTC
Model year
2026
Frame
Advanced 29
Type
XC
Sizes
S, M, L, and XL
Verified measurements
44 of 44
Verified against
giant-bicycles.com and at least one independent source
Last checked

Geometry by size

Millimeters unless the row says degrees. Scroll sideways for the larger sizes.

2026 Giant XTC Advanced 29 geometry by size
MeasurementSMLXL
Reach(mm)416mm435mm453mm477mm
Stack(mm)604mm604mm613mm632mm
Head tube angle(°)69.5°69.5°70.0°70.0°
Seat tube angle(°)73.5°73.5°73.5°73.5°
Effective top tube(mm)595mm614mm635mm665mm
Chainstay length(mm)425mm425mm425mm425mm
Wheelbase(mm)1087mm1106mm1128mm1159mm
BB drop(mm)58mm58mm58mm58mm
Standover(mm)737mm764mm791mm829mm
Seat tube length(mm)380mm431mm475mm525mm
Head tube length(mm)95mm95mm105mm115mm
44 of 44 measurements verified.Verified, two or more sources agree

2026 Giant XTC Advanced 29 drawn to scale

2026 Giant XTC Advanced 29 frame drawing, size MSide view of the 2026 Giant XTC Advanced 29 frame in size M, drawn to scale from its verified geometry, with lettered dimension lines.J 1106
Drawn to scale from the size M numbers in the table above.A reachB stackD head tube angleE seat tube angleC effective top tubeH chainstayJ wheelbaseK bb dropL standoverG seat tube lengthF head tube length

Stock build

3 builds of the 2026 XTC are on file. The first is open; choose another to see its parts.

Advanced 29 117 parts

Manufacturer specs are labeled; checkmarks mean two or more sources agree.

Frame

Giant XTC
FrameRear triangle material composite Manufacturer

Suspension

Fox 32
ForkStanchion diameter 32mm ManufacturerSpring type Air ManufacturerExternal adjustments 2-Pos Remote ManufacturerWeight 1412 g Manufacturer

Drivetrain

Shimano XT M8100
ShifterActuation type Mechanical
Shimano XT M8100
DerailleurSpeeds 12Maximum cog 51 tClutch yes ManufacturerWeight 284 g
Shimano SLX M7100
CassetteSpeeds 12
KMC X-12
ChainSpeeds 12
Shimano XT M8120
Crankset

Wheels & Tires

Giant XCR 2
Wheelset
Maxxis Rekon Race
TireWheel size 27.5 / 29Width 2.25 / 2.35 / 2.4TPI 60 / 120 TPIBead FoldingTubeless ready trueWeight 687 g
Maxxis Rekon Race
TireWheel size 27.5 / 29Width 2.25 / 2.35 / 2.4TPI 60 / 120 TPIBead FoldingTubeless ready trueWeight 687 g

Brakes

Shimano Deore
Brake
Giant TR55
Rotor

Cockpit

Giant Contact XC 35
HandlebarWeight 340 g Manufacturer
Giant Contact SL XC
StemMaterial Aluminum Manufacturer
Giant XC Pro
Grips

Seatpost & Saddle

Giant Contact Switch Core
Dropper post
Giant Grit SL
SaddleRail material Steel
Advanced 29 220 parts

Manufacturer specs are labeled; checkmarks mean two or more sources agree.

Frame

Giant XTC
FrameRear triangle material composite Manufacturer

Suspension

Giant Crest SL
ForkSpring type Air ManufacturerExternal adjustments remote lockout Manufacturer

Drivetrain

Shimano SLX
Shifter
Shimano SLX
DerailleurClutch yes ManufacturerWeight 310 g Manufacturer
Shimano SLX
Cassette
KMC X-12
ChainSpeeds 12
Shimano SLX
Crankset
Shimano SLX
Chainring

Wheels & Tires

Giant XCT
WheelsetRim material Aluminum Manufacturer
Maxxis Rekon Race
TireWheel size 27.5 / 29Width 2.25 / 2.35 / 2.4TPI 60 / 120 TPIBead FoldingTubeless ready trueWeight 687 g
Maxxis Rekon Race
TireWheel size 27.5 / 29Width 2.25 / 2.35 / 2.4TPI 60 / 120 TPIBead FoldingTubeless ready trueWeight 687 g

Brakes

Shimano MT500
Brake
Shimano MT500
Rotor
Shimano MT500
Rotor

Cockpit

Giant Contact SL XC
Handlebar
Giant Contact
Stem
Giant XC Pro
Grips

Seatpost & Saddle

Giant Contact
Dropper post
Giant Contact Switch Core
Seatpost
Giant Grit
SaddleBase / shell PP Manufacturer
Advanced 29 324 parts

Manufacturer specs are labeled; checkmarks mean two or more sources agree.

Frame

Giant Advanced 29
Frame

Suspension

Giant Crest 34 RRL
ForkExternal adjustments remote lockout Manufacturer

Drivetrain

Shimano Deore M6100
Shifter
Shimano Deore M6100
DerailleurClutch Yes Manufacturer
Shimano Deore M6100
CassetteSpeeds 12Weight 595 g
KMC X-12
ChainSpeeds 12
Praxis Cadet M24
Crankset
32T
Chainring

Wheels & Tires

Giant XCT
WheelsetRim material Aluminum Manufacturer
Maxxis Rekon Race
TireWheel size 27.5 / 29Width 2.25 / 2.35 / 2.4TPI 60 / 120 TPIBead FoldingTubeless ready trueWeight 687 g
Maxxis Rekon Race
TireWheel size 27.5 / 29Width 2.25 / 2.35 / 2.4TPI 60 / 120 TPIBead FoldingTubeless ready trueWeight 687 g
Giant RD02F
Hub
Giant ED260-R
Hub
Giant XCT 29
Rim

Brakes

Shimano MT410
Brake
Shimano MT410
Brake
Shimano RT-26
Rotor
Shimano RT-26
Rotor

Cockpit

Giant Contact SL XC
Handlebar
Giant Contact
Stem
Giant XC
Grips
FSA No 57
HeadsetBearing type Sealed Cartridge Manufacturer

Seatpost & Saddle

Giant Connect
SeatpostMaterial Carbon Manufacturer
Giant Grit Sport
Saddle

Quick answers

What sizes does the 2026 Giant XTC Advanced 29 come in?
It comes in 4 sizes: S, M, L, and XL.
What are the reach and stack of the 2026 Giant XTC Advanced 29 in size L?
In size L, reach is 453 mm and stack is 613 mm.
What is the head tube angle of the 2026 Giant XTC Advanced 29?
The head tube angle is 70.0 degrees in size L.
What does the 2026 Giant XTC Advanced 29 1 ship with?
The stock build includes Giant XTC, Fox 32, Shimano XT M8100, and Giant XCR 2.
Which years of the Giant XTC are on Quiver?
Quiver has the Giant XTC for 2026.

Ride a XTC? Keep it in Quiver.

Add this bike and it arrives with its geometry and stock parts already filled in. Swap parts as you change them and the build sheet stays true.

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