Quiver

2021 Trek Domane AL Rim vs 2023 Specialized Roubaix SL8 Comp

The 56 is the Specialized Roubaix SL8 Comp size closest to your 56 Trek Domane AL Rim. 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 Roubaix SL8 Comp

Compared with the Trek Domane AL Rim in 56, the Specialized Roubaix SL8 Comp in 56 places the top of the head tube 14 mm higher and 12 mm further forward, relative to the bottom bracket. Its wheelbase is 6 mm shorter, which can contribute to quicker direction changes.

Frame stack
+14 mm
Higher front end
Frame reach
+12 mm
Longer frame reach
Wheelbase
−6 mm
Shorter: quicker to change direction
Head angle
+1.1°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

We can't draw these frames yet. The Trek Domane AL Rim numbers we have for size 56 are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Domane AL Rim 56Specialized Roubaix SL8 Comp 56Difference
Reach377389+12 mm
Stack591605+14 mm
Head tube angle71.9°73+1.1°
Effective top tube554569+15 mm
Chainstay length420420±0 mm
Wheelbase10181012−6 mm
BB drop78not listed
Standover776787+11 mm
Seat tube length525485−40 mm
Head tube length175140−35 mm
Seat tube anglenot listed73.5
BB heightnot listed270

Differences are the Specialized Roubaix SL8 Comp minus the Trek Domane AL Rim. Full charts: 2021 Trek Domane AL Rim, 2023 Specialized Roubaix SL8 Comp.

Where each sits in its class

Trek Domane AL RimSpecialized 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.

PartTrek Domane AL RimAL 2 RimSpecialized Roubaix SL8 CompSL8 Comp
FrameTrek AlphaSpecialized FACT 10R
ForkTrek DomaneSpecialized Future Shock 3.2
ShifterShimano Claris R2000Shimano 105
DerailleurShimano Claris R2000Shimano 105
CassetteShimano HG-31Shimano 105
ChainShimano Sora HG71Shimano 105
CranksetShimano RS200Shimano 105
Bottom bracketShimano UN26Shimano 105
TireBontrager R1 Hard-Case LiteS Works Mondo, S Works Mondo 2BR
HubFormula TK-31, Formula TK-32not listed
HandlebarBontrager Comp VR-CSpecialized Hover
SaddleBontrager P3 VerseSpecialized Body Geometry Power Sport
Chainringnot listedShimano 105
Wheelsetnot listedDT Swiss G540
Brakenot 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.

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