Quiver

2025 Giant Contend AR vs 2023 Specialized Roubaix SL8 Comp

The Specialized Roubaix SL8 Comp size closest to your ML is the 56. Compare the 56 instead

What changes on the Specialized Roubaix SL8 Comp

Frame stack
n/a
One of the bikes has no number for this
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
−10 mm
Shorter: quicker to change direction
Head angle
−0.2°
About the same head angle
Chainstays
−2 mm
About the same

The two frames

2025 Giant Contend AR (ML)The Giant Contend AR frame drawn to scale.J 1015

Only the Giant Contend AR is drawn. The Specialized Roubaix SL8 Comp numbers we have for size 54 are missing the reach and stack.

Geometry side by side

MeasurementGiant Contend AR MLSpecialized Roubaix SL8 Comp 54Difference
Reach383not listed
Stack595not listed
Head tube angle72.5°72.3−0.2°
Seat tube angle73.0°74+1.0°
Chainstay length422420−2 mm
Wheelbase10151005−10 mm
BB drop80not listed
Standover810766−44 mm
Seat tube length515465−50 mm
Head tube length170122−48 mm
Effective top tubenot listed550
BB heightnot listed270

Differences are the Specialized Roubaix SL8 Comp minus the Giant Contend AR. Full charts: 2025 Giant Contend AR, 2023 Specialized Roubaix SL8 Comp.

Where each sits in its class

Giant Contend ARSpecialized Roubaix SL8 Comp

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 Contend AR4Specialized Roubaix SL8 CompSL8 Comp
FrameGiant ALUXX-gradeSpecialized FACT 10R
ForkGiant Advanced-GradeSpecialized Future Shock 3.2
ShifterShimano ClarisShimano 105
DerailleurShimano ClarisShimano 105
CassetteShimano CS-HG50 DeoreShimano 105
ChainKMC Z72Shimano 105
CranksetFSA TempoShimano 105
TireGiant S-R3 ACS Works Mondo, S Works Mondo 2BR
RimGiant S-R2not listed
BrakeTektro MD-C550, Shimano ClarisShimano 105
HandlebarGiant Connect XS:40cmSpecialized Hover
StemGiant Sport XS:80mmSpecialized Future Stem
GripsVelo cork tapenot listed
SeatpostGiant D-FuseSpecialized S-Works Pavé
SaddleGiant ApproachSpecialized Body Geometry Power Sport
Chainringnot listedShimano 105
Bottom bracketnot listedShimano 105
Wheelsetnot listedDT Swiss G540
Rotornot listedShimano 105
Bar tapenot listedSupacaz Super Sticky Kush

Know what is on every bike.

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