Quiver

2024 Specialized Roubaix SL8 vs 2024 Trek Domane AL Rim

The 50 is the Trek Domane AL Rim size closest to your 49 Specialized Roubaix SL8. 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 Trek Domane AL Rim

Compared with the Specialized Roubaix SL8 in 49, the Trek Domane AL Rim in 50 places the top of the head tube 3 mm lower and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.

Frame stack
−3 mm
Lower front end
Frame reach
+5 mm
Longer frame reach
Wheelbase
+4 mm
Longer: steadier at speed
Head angle
+0.3°
About the same head angle
Chainstays
+2 mm
About the same

The two frames

2024 Specialized Roubaix SL8 (49)The Specialized Roubaix SL8 frame drawn to scale.J 992

Only the Specialized Roubaix SL8 is drawn. The Trek Domane AL Rim numbers we have for size 50 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Roubaix SL8 49Trek Domane AL Rim 50Difference
Reach363mm368+5 mm
Stack549mm546−3 mm
Head tube angle70.8°71.1°+0.3°
Seat tube angle74°not listed
Chainstay length418mm420+2 mm
Wheelbase992mm996+4 mm
BB drop80mm80±0 mm
BB height269mmnot listed
Standover719mm716−3 mm
Seat tube length410mm450+40 mm
Fork length375mmnot listed
Head tube length90mm130+40 mm
Effective top tubenot listed519

Differences are the Trek Domane AL Rim minus the Specialized Roubaix SL8. Full charts: 2024 Specialized Roubaix SL8, 2024 Trek Domane AL Rim.

Where each sits in its class

Specialized Roubaix SL8Trek Domane AL Rim

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 SL8S-Works SL8Trek Domane AL RimAL 2 Rim
FrameSpecialized RoubaixTrek Alpha
ForkSpecialized Future Shock 3.3Trek Domane
ShifterSRAM Red eTap AXSShimano Claris R2000
DerailleurSRAM RED eTAP AXSShimano Claris R2000
CassetteSRAM XG 1290Shimano HG-31
ChainSRAM RedShimano Sora HG71
CranksetSRAM RED AXSShimano RS200
Bottom bracketSRAM DUBShimano UN26
WheelsetRoval Terra CLX IInot listed
TireSpecialized S-Works Mondo 2BRBontrager R1 Hard-Case Lite
BrakeSRAM REDnot listed
HandlebarSpecialized Hover CarbonBontrager Comp VR-C
StemSpecialized S-Works Futurenot listed
SeatpostSpecialized S-Works Pave Seat postnot listed
SaddleSpecialized S-Works PowerBontrager P3 Verse
Hubnot listedFormula TK-31, Formula TK-32

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