Quiver

2021 Trek Domane SL vs 2023 Specialized Allez Sport

The 58 is the Specialized Allez Sport size closest to your 58 Trek Domane SL. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Specialized Allez Sport

Compared with the Trek Domane SL in 58, the Specialized Allez Sport in 58 places the top of the head tube at about the same height and 6 mm further forward, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.

Frame stack
−1 mm
About the same height
Frame reach
+6 mm
Longer frame reach
Wheelbase
−5 mm
Shorter: quicker to change direction
Head angle
+1.0°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

We can't draw these frames yet. The Trek Domane SL numbers we have for size 58 are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Domane SL 58Specialized Allez Sport 58Difference
Reach380386+6 mm
Stack611610−1 mm
Head tube angle72.0°73°+1.0°
Effective top tube567not listed
Chainstay length425425mm±0 mm
Wheelbase10221017mm−5 mm
BB drop7874.5mm−4 mm
Standover796821mm+25 mm
Seat tube length548550mm+2 mm
Head tube length195195mm±0 mm
Seat tube anglenot listed73.25°
BB heightnot listed275.5mm
Fork lengthnot listed378mm

Differences are the Specialized Allez Sport minus the Trek Domane SL. Full charts: 2021 Trek Domane SL, 2023 Specialized Allez Sport.

Where each sits in its class

Trek Domane SLSpecialized Allez Sport

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.

PartTrek Domane SLSL 4Specialized Allez SportSport
FrameTrek OCLVSpecialized Allez E5
ForkTrek Domane SLSpecialized FACT
ShifterShimano Tiagra R4720Shimano Tiagra
DerailleurShimano 105 R7000, Shimano Tiagra 4700Shimano Tiagra
CassetteShimano Tiagra HG-500not listed
ChainShimano Tiagra HG54KMC X10
CranksetPraxis Alba M30Praxis Alba
TireBontrager R1 Hard-Case LiteSpecialized Roadsport
RimBontrager Affinitynot listed
BrakeShimano Tiagra R4770Shimano Tiagra
HandlebarBontrager Comp VR-CSpecialized Shallow Drop
SeatpostBontrager Seatmast Capnot listed
SaddleBontrager P3 VerseSpecialized Bridge Saddle
Chainringnot listedPraxis Alba
Wheelsetnot listedSpecialized Axis Sport

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