Quiver

2024 Giant Contend AR vs 2026 Specialized Roubaix SL8 Comp

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

What changes on the Specialized Roubaix SL8 Comp

Frame stack
+14 mm
Higher front end
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
+1 mm
About the same
Head angle
+0.5°
Steeper: sharper steering
Chainstays
+2 mm
About the same

The two frames

We can't draw these frames yet. The Giant Contend AR numbers we have for size ML are missing the reach. The numbers below still compare.

Geometry side by side

MeasurementGiant Contend AR MLSpecialized Roubaix SL8 Comp 56Difference
Stack591605+14 mm
Head tube angle72.573+0.5°
Seat tube angle7373.5+0.5°
Effective top tube561569+8 mm
Chainstay length418420+2 mm
Wheelbase10111012+1 mm
BB drop8078−2 mm
BB height256270+14 mm
Standover806787−19 mm
Seat tube length535485−50 mm
Head tube length170140−30 mm
Reachnot listed389
Fork lengthnot listed375

Differences are the Specialized Roubaix SL8 Comp minus the Giant Contend AR. Full charts: 2024 Giant Contend AR, 2026 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 ARAR 1Specialized Roubaix SL8 CompSL8 Comp
FrameGiant ContendSpecialized FACT 10r
ForkGiant OverDriveSpecialized Future Shock 3.2
ShifterShimano 105 Di2Shimano 105 R7170 Di2
DerailleurShimano 105 Di2Shimano 105 R7150 Di2, Shimano 105 Di2
CassetteShimano 105Shimano 105 R7100
ChainKMC X12L-1Shimano SLX M7100
CranksetShimano FC-RS520Shimano 105
ChainringShimano FC-RS520Shimano 105
WheelsetGiant P-R2 DiscDT Swiss G540
TireGiant Gavia Fondo 2Specialized Mondo, Mondo Endurance
BrakeShimano 105 Di2Shimano 105
RotorGiant MPHnot listed
HandlebarGiant D-Fuse SLSpecialized Hover
StemGiant ContactSpecialized Future
SeatpostGiant D-FuseSpecialized S-Works Pave
SaddleGiant ApproachSpecialized Power Sport
Bottom bracketnot listedShimano Threaded BSA
Rimnot listedDT Swiss G 540
Gripsnot listedSupacaz Super Sticky Kush
Bar tapenot listedSupacaz Super Sticky Kush

Know what is on every bike.

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