Quiver

2026 Specialized Rockhopper Sport vs 2025 Giant XTC Advanced 29

We can't match sizes for these two: one of them has no stack and reach for the sizes shown.

What changes on the Giant XTC Advanced 29

Frame stack
−15 mm
Lower front end
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
−44 mm
Shorter: quicker to change direction
Head angle
+1.0°
Steeper: sharper steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Specialized Rockhopper Sport numbers we have for size M-29 are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Rockhopper Sport M-29Giant XTC Advanced 29 SDifference
Reach425not listed
Stack616601−15 mm
Head tube angle68.569.5+1.0°
Seat tube angle73.573.5±0.0°
Wheelbase11281084−44 mm
BB drop6258−4 mm
BB height310not listed
Standover754737−17 mm
Seat tube length400380−20 mm
Head tube length9595±0 mm
Effective top tubenot listednot listed

Differences are the Giant XTC Advanced 29 minus the Specialized Rockhopper Sport. Full charts: 2026 Specialized Rockhopper Sport, 2025 Giant XTC Advanced 29.

Where each sits in its class

Specialized Rockhopper SportGiant XTC Advanced 29

AggressivePositionUpright
CalmSteeringQuick

Each bike is ranked against the other XC bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartSpecialized Rockhopper SportSportGiant XTC Advanced 29Advanced 29 1
FrameSpecialized RockhopperGiant XTC
ForkSR Suntour XCMFox 32 Performance
ShifterShimano CUESShimano XT M8100
DerailleurShimano CUESShimano XT M8100 SGS
CassetteShimano CUESShimano SLX M7100
ChainKMC eGlideKMC X-12
CranksetSpecialized Stout ProShimano XT M8100
WheelsetSpecialized alloy, disc only, double-wall, 25mm inner width, 32hGiant XCR 2
TireSpecialized Ground Control 2BRMaxxis Rekon Race
BrakeShimano MT200Shimano XT M8100
HandlebarSpecialized Mini RiseGiant Contact XC
StemSpecialized StoutGiant Contact SL XC
GripsSpecialized TrailGiant XC
SeatpostAlloy, 2-bolt clamp, 30.9mmGiant Contact Switch
SaddleSpecialized Bridge SportGiant Grit SL
Chainringnot listedShimano XT M8100
Rotornot listedGiant TR55
Dropper postnot listedGiant Contact Switch Core

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet