Quiver

2024 Specialized Aethos 2 Pro vs 2025 Specialized Allez Sprint 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 Allez Sprint 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
n/a
One of the bikes has no number for this
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

We can't draw these frames yet. The Specialized Aethos 2 Pro numbers we have for size 61 are missing the reach, stack, seat angle and wheelbase. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Aethos 2 Pro 61Specialized Allez Sprint Comp 58Difference
Head tube angle73.573.5°±0.0°
Chainstay length410410mm±0 mm
Reachnot listed405mm
Stacknot listed584mm
Seat tube anglenot listed73.5°
Effective top tubenot listed578mm
Wheelbasenot listed1006mm
BB dropnot listed72mm
BB heightnot listed268mm
Standovernot listed815mm
Seat tube lengthnot listed550mm
Fork lengthnot listed366mm
Head tube lengthnot listed180mm

Differences are the Specialized Allez Sprint Comp minus the Specialized Aethos 2 Pro. Full charts: 2024 Specialized Aethos 2 Pro, 2025 Specialized Allez Sprint Comp.

Where each sits in its class

Specialized Aethos 2 ProSpecialized Allez Sprint 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 Aethos 2 ProProSpecialized Allez Sprint CompComp
FrameSpecialized Aethos 2 FACT 10r Carbonnot listed
ShifterShimano Ultegra R8100 Di2Shimano 105
DerailleurShimano Ultegra R8100 Di2Shimano 105
CassetteSRAM ForceShimano 105
ChainSRAM ForceShimano 105
CranksetSRAM Force E1Shimano 105 R7100
ChainringShimano Ultegranot listed
Bottom bracketSRAM DUB BSA 68not listed
WheelsetRoval Alpinist CL IIDT Swiss R470
TireS Works Turbo TLR RaceSpecialized Turbo Pro
BrakeShimano UltegraShimano 105
RotorSRAM Force E1not listed
HandlebarRoval Alpinist Cockpit IInot listed
GripsSupacaz Super Sticky Kushnot listed
Bar tapeSupacaz Super Sticky Kushnot listed
SeatpostRoval Alpinist Carbon S-WorksSpecialized S-Works Tarmac
SaddleSpecialized Power Pro MirrorSpecialized Power Sport

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

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