Quiver

2021 Specialized Allez Elite vs 2023 Specialized Roubaix SL8 Comp

The Specialized Roubaix SL8 Comp size closest to your 54 is the 52. Compare the 52 instead

What changes on the Specialized Roubaix SL8 Comp

Compared with the Specialized Allez Elite in 54, the Specialized Roubaix SL8 Comp in 56 places the top of the head tube 35 mm higher and 9 mm further forward, relative to the bottom bracket. Its wheelbase is 21 mm longer, which can contribute to stability at speed.

Frame stack
+35 mm
Higher front end
Frame reach
+9 mm
Longer frame reach
Wheelbase
+21 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2021 Specialized Allez Elite (54) and 2023 Specialized Roubaix SL8 Comp (56), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Allez Elite is drawn in full with its measurements, and the Specialized Roubaix SL8 Comp is the colored outline on top.J 991

Specialized Allez Elite, 54Specialized Roubaix SL8 Comp, 56Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Allez Elite 54Specialized Roubaix SL8 Comp 56Difference
Reach380389+9 mm
Stack570605+35 mm
Head tube angle73°73±0.0°
Seat tube angle73.25°73.5+0.3°
Chainstay length420mm420±0 mm
Wheelbase991mm1012+21 mm
Standover763mm787+24 mm
Seat tube length510mm485−25 mm
Fork length368mmnot listed
Head tube length155mm140−15 mm
Effective top tubenot listed569
BB heightnot listed270

Differences are the Specialized Roubaix SL8 Comp minus the Specialized Allez Elite. Full charts: 2021 Specialized Allez Elite, 2023 Specialized Roubaix SL8 Comp.

Where each sits in its class

Specialized Allez EliteSpecialized 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.

PartSpecialized Allez EliteEliteSpecialized Roubaix SL8 CompSL8 Comp
FrameSpecialized AllezSpecialized FACT 10R
ForkSpecialized FACTSpecialized Future Shock 3.2
ShifterShimano 105 R7000Shimano 105
DerailleurShimano 105, Shimano 105 R7000 GSShimano 105
CassetteShimano 105Shimano 105
ChainKMC X11 ExtraShimano 105
CranksetPraxis AlbaShimano 105
WheelsetDT Swiss R460DT Swiss G540
TireSpecialized RoadsportS Works Mondo, S Works Mondo 2BR
BrakeSpecialized Axis 1.0Shimano 105
HandlebarSpecialized Shallow DropSpecialized Hover
SaddleSpecialized Bridge SaddleSpecialized Body Geometry Power Sport
Chainringnot listedShimano 105
Bottom bracketnot listedShimano 105
Rotornot listedShimano 105
Stemnot listedSpecialized Future Stem
Bar tapenot listedSupacaz Super Sticky Kush
Seatpostnot listedSpecialized S-Works Pavé

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