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2017 Trek Domane ALR Disc vs 2015 Specialized Roubaix SL4 Comp

The Specialized Roubaix SL4 Comp size closest to your 54 is the 54. Compare the 54 instead

What changes on the Specialized Roubaix SL4 Comp

Compared with the Trek Domane ALR Disc in 54, the Specialized Roubaix SL4 Comp in 61 places the top of the head tube 67 mm higher and 24 mm further forward, relative to the bottom bracket. Its wheelbase is 28 mm longer, which can contribute to stability at speed.

Frame stack
+67 mm
Higher front end
Frame reach
+24 mm
Longer frame reach
Wheelbase
+28 mm
Longer: steadier at speed
Head angle
+1.7°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

We can't draw these frames yet. The Trek Domane ALR Disc numbers we have for size 54 are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Domane ALR Disc 54Specialized Roubaix SL4 Comp 61Difference
Reach374398mm+24 mm
Stack575642mm+67 mm
Head tube angle71.3°73°+1.7°
Effective top tube542not listed
Chainstay length420420mm±0 mm
Wheelbase10101038mm+28 mm
BB drop80not listed
Standover754851mm+97 mm
Seat tube length500565mm+65 mm
Head tube length160245mm+85 mm
Seat tube anglenot listed72.5°

Differences are the Specialized Roubaix SL4 Comp minus the Trek Domane ALR Disc. Full charts: 2017 Trek Domane ALR Disc, 2015 Specialized Roubaix SL4 Comp.

Where each sits in its class

Trek Domane ALR DiscSpecialized Roubaix SL4 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 ALR DiscALR 4 DiscSpecialized Roubaix SL4 CompSL4 Comp
FrameTrek AlphaSpecialized SL4 FACT
ForkTrek Domanenot listed
ShifterShimano RS405Shimano Ultegra
DerailleurShimano TiagraShimano Ultegra Di2, Shimano Ultegra
CassetteShimano TiagraShimano 105
ChainShimano TiagraShimano 105
CranksetShimano TiagraPraxis TURN Zayante
Bottom bracketTrek BB86.5not listed
TireBontrager R1Specialized Turbo Pro
HubBontrager centerlocknot listed
BrakeShimano RS505Shimano 105
HandlebarBontrager VR-Cnot listed
SaddleBontrager AffinitySpecialized Toupe
Wheelsetnot listedFulcrum S4
Seatpostnot listedSpecialized CG-R

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