Quiver

2027 Giant TCR Advanced Pro (Dura-Ace) vs 2025 Orbea Orca M30

The 55 is the Orbea Orca M30 size closest to your ML Giant TCR Advanced Pro (Dura-Ace). We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Orbea Orca M30

Compared with the Giant TCR Advanced Pro (Dura-Ace) in ML, the Orbea Orca M30 in 55 places the top of the head tube 10 mm higher and about as far forward, relative to the bottom bracket.

Frame stack
+10 mm
Higher front end
Frame reach
−2 mm
About the same reach
Wheelbase
+0 mm
About the same
Head angle
±0.0°
About the same head angle
Chainstays
+3 mm
Longer: more planted

The two frames

2027 Giant TCR Advanced Pro (Dura-Ace) (ML) and 2025 Orbea Orca M30 (55), lined up at the bottom bracketBoth frames drawn to scale. The Giant TCR Advanced Pro (Dura-Ace) is drawn in full with its measurements, and the Orbea Orca M30 is the colored outline on top.J 991

Giant TCR Advanced Pro (Dura-Ace), MLOrbea Orca M30, 55Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementGiant TCR Advanced Pro (Dura-Ace) MLOrbea Orca M30 55Difference
Reach393391−2 mm
Stack562572+10 mm
Head tube angle73.0°73±0.0°
Seat tube angle73.0°73.5+0.5°
Chainstay length405408+3 mm
Wheelbase991991.4+0 mm
BB drop6770+3 mm
Standover768not listed
Seat tube length500not listed
Head tube length165173.1+8 mm
Effective top tubenot listed560.4

Differences are the Orbea Orca M30 minus the Giant TCR Advanced Pro (Dura-Ace). Full charts: 2027 Giant TCR Advanced Pro (Dura-Ace), 2025 Orbea Orca M30.

Where each sits in its class

Giant TCR Advanced Pro (Dura-Ace)Orbea Orca M30

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other road 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.

PartGiant TCR Advanced Pro (Dura-Ace)Advanced Pro (Dura-Ace)Orbea Orca M30M30
FrameGiant Advanced-gradeOrbea Orca
ForkGiant Advanced SL-gradenot listed
ShifterShimano Dura-Ace Di2Shimano 105 Di2
DerailleurShimano Dura-Ace R9250 Di2Shimano 105 Di2
CassetteShimano Dura-AceShimano 105
ChainShimano XTR M9100Shimano 105 DI2
CranksetShimano Dura-AceShimano 105
PedalsGiant GCSnot listed
WheelsetGiant SLR 0 40Orbea Alloy Tubeless
TireGiant CADEXVittoria Zafiro V
HubGiant Frictionnot listed
RimGiant SLR 0 40 WheelSystemnot listed
BrakeShimano Dura-Ace, Shimano Dura-Ace Di2Shimano 105 R7170 Di2
HandlebarGiant Contact SLR XS:420/370mmOC RP31-R
StemGiant Contact SL AeroLight XS:80mmOC RP22
GripsGiant Stratus Lite 2.0not listed
SeatpostGiant VariantSP 0.2
SaddleGiant Fleet SLfizik Aliante R5
Chainringnot listedShimano 50T, Shimano 34T
Rotornot listedShimano 105 R7170

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