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2025 Specialized Roubaix SL8 Sport vs 2026 Giant Contend AR

The Giant Contend AR size closest to your 54 is the M. Compare the M instead

What changes on the Giant Contend AR

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
n/a
One of the bikes has no number for this
Head angle
+0.2°
About the same head angle
Chainstays
+2 mm
About the same

The two frames

2025 Specialized Roubaix SL8 Sport (54)The Specialized Roubaix SL8 Sport frame drawn to scale.J 1005

Only the Specialized Roubaix SL8 Sport is drawn. The Giant Contend AR numbers we have for size ML are missing the reach, stack and wheelbase.

Geometry side by side

MeasurementSpecialized Roubaix SL8 Sport 54Giant Contend AR MLDifference
Reach381mmnot listed
Stack585mmnot listed
Head tube angle72.3°72.5+0.2°
Seat tube angle74°73.0−1.0°
Effective top tube550mmnot listed
Chainstay length420mm422+2 mm
Wheelbase1005mmnot listed
BB drop78mm80+2 mm
BB height270mmnot listed
Standover766mmnot listed
Seat tube length465mmnot listed
Fork length375mmnot listed
Head tube length122mmnot listed

Differences are the Giant Contend AR minus the Specialized Roubaix SL8 Sport. Full charts: 2025 Specialized Roubaix SL8 Sport, 2026 Giant Contend AR.

Where each sits in its class

Specialized Roubaix SL8 SportGiant Contend AR

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.

PartSpecialized Roubaix SL8 SportSL8 SportGiant Contend ARAR 1
ForkSpecialized Future Shock 3.1Giant Advanced-Grade Composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc
ShifterShimano 105 R7120Shimano 105 Di2
DerailleurShimano 105, Shimano 105 R7100 mechanicalShimano 105 Di2
CassetteShimano 105Shimano 105
ChainShimano 105KMC X12L-1
CranksetShimano 105Shimano 105
WheelsetDT Swiss G540Giant P-R2 Disc
TireSpecialized S-Works Mondo 2BRGiant Gavia Fondo 2
BrakeShimano 105Shimano 105 Di2
HandlebarSpecialized HoverGiant D-Fuse SL
StemSpecialized FutureGiant Contact
SeatpostSpecialized S-Works Pave Seat postGiant D-Fuse
SaddleSpecialized Power SportGiant Approach
Framenot listedGiant Contend
Bottom bracketnot listedShimano BB-RS501
Rotornot listedGiant MPH
Gripsnot listedVelo Cork tape with gel
Headsetnot listedGiant OverDrive

Know what is on every bike.

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