What sizes does the 2026 Giant XTC SLR 29 come in?

It comes in 4 sizes: S, M, L, and XL.

What are the reach and stack of the 2026 Giant XTC SLR 29 in size L?

In size L, reach is 458 mm and stack is 618 mm.

What is the head tube angle of the 2026 Giant XTC SLR 29?

The head tube angle is 70.0 degrees in size L.

What does the 2026 Giant XTC SLR 29 1 ship with?

The stock build includes Giant XTC, Giant Crest, Shimano SLX M7100, and Giant XCT.

Which years of the Giant XTC are on Quiver?

Quiver has the Giant XTC for 2026.

2026

XTC SLR 29

XC4 sizes, S to XL36 verified measurements

The 2026 Giant XTC SLR 29 is an XC bike offered in 4 sizes, S to XL. Reach runs from 421 to 485 mm and stack from 607 to 628 mm. It ships with Shimano SLX M7100 and Giant XCT.

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 Aug 14, 2026.

Key facts

Brand: Giant
Model: XTC
Model year: 2026
Frame: SLR 29
Type: XC
Sizes: S, M, L, and XL
Verified measurements: 36 of 36
Verified against: giant-bicycles.com and at least one independent source
Last checked: Aug 14, 2026

Geometry by size

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

2026 Giant XTC SLR 29 geometry by size
Measurement	S	M	L	XL
Reach(mm)	421mm	440mm	458mm	485mm
Stack(mm)	607mm	607mm	618mm	628mm
Head tube angle(°)	69.5°	69.5°	70.0°	70.0°
Seat tube angle(°)	74.0°	74.0°	74.0°	74.0°
Chainstay length(mm)	440mm	440mm	440mm	440mm
Wheelbase(mm)	1117mm	1136mm	1152mm	1183mm
Standover(mm)	727mm	757mm	785mm	818mm
Seat tube length(mm)	380mm	431mm	475mm	525mm
Head tube length(mm)	95mm	95mm	105mm	115mm

36 of 36 measurements verified.Verified, two or more sources agree

Drawn to scale from the size M numbers in the table above.A reachB stackD head tube angleE seat tube angleH chainstayJ wheelbaseL standoverG seat tube lengthF head tube length

Stock build

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

Frame

Giant XTC

FrameRear triangle material composite Manufacturer

Suspension

Giant Crest

ForkStanchion diameter 34mm ManufacturerExternal adjustments RRL Manufacturer

Drivetrain

Shimano SLX M7100

ShifterSpeeds 12Weight 117 g

Shimano SLX M7100

DerailleurSpeeds 12Clutch Yes ManufacturerWeight 313 g Manufacturer

Shimano SLX

Cassette

KMC X-12

ChainSpeeds 12

Shimano SLX

Crankset

Wheels & Tires

Giant XCT

WheelsetRim material Aluminum Manufacturer

Maxxis Recon Race

Tire

Brakes

Shimano MT500

Brake

Shimano SM-RT10

Rotor

Cockpit

Giant Connect XC

Handlebar

Giant Contact

Stem

Giant Sole-O

Grips

Seatpost & Saddle

Giant Contact Switch Core

Dropper post

Giant ErgoContact Trail

SaddleWeight 350 g ManufacturerBase / shell Polypropylene Manufacturer

Quick answers

What sizes does the 2026 Giant XTC SLR 29 come in?: It comes in 4 sizes: S, M, L, and XL.
What are the reach and stack of the 2026 Giant XTC SLR 29 in size L?: In size L, reach is 458 mm and stack is 618 mm.
What is the head tube angle of the 2026 Giant XTC SLR 29?: The head tube angle is 70.0 degrees in size L.
What does the 2026 Giant XTC SLR 29 1 ship with?: The stock build includes Giant XTC, Giant Crest, Shimano SLX M7100, and Giant XCT.
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.

Add this bike to my garage Free. Opens Quiver if you have it, or the App Store if you don't.