Quiver

2021 Specialized Roubaix Comp vs 2021 Specialized Tarmac SL7 Pro

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 Tarmac SL7 Pro

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
−13 mm
Shorter: quicker to change direction
Head angle
+0.3°
About the same head angle
Chainstays
−5 mm
Shorter: livelier

The two frames

2021 Specialized Roubaix Comp (54)The Specialized Roubaix Comp frame drawn to scale.J 988

Only the Specialized Roubaix Comp is drawn. The Specialized Tarmac SL7 Pro numbers we have for size 54 are missing the reach and stack.

Geometry side by side

MeasurementSpecialized Roubaix Comp 54Specialized Tarmac SL7 Pro 54Difference
Reach376mmnot listed
Stack585mmnot listed
Head tube angle72.75°73+0.3°
Seat tube angle74°74±0.0°
Chainstay length415mm410−5 mm
Wheelbase988mm975−13 mm
BB drop76mm72−4 mm
BB height266mm268+2 mm
Standover762mm768mm+6 mm
Seat tube length465mmnot listed
Fork length370mmnot listed
Head tube length125mmnot listed

Differences are the Specialized Tarmac SL7 Pro minus the Specialized Roubaix Comp. Full charts: 2021 Specialized Roubaix Comp, 2021 Specialized Tarmac SL7 Pro.

Where each sits in its class

Specialized Roubaix CompSpecialized Tarmac SL7 Pro

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 CompCompSpecialized Tarmac SL7 Pro
ForkSpecialized Future Shock 1.5not listed
ShifterShimano Ultegranot listed
DerailleurShimano Ultegra R8000, Shimano GRX RX800not listed
CassetteShimano Ultegranot listed
ChainShimano Ultegranot listed
CranksetShimano Ultegra R8000not listed
WheelsetDT Swiss R470not listed
TireSpecialized Turbo Pronot listed
BrakeShimano Ultegra R8070not listed
HandlebarSpecialized Hovernot listed
StemSpecialized Futurenot listed
SeatpostSpecialized S-Works Pavenot listed
SaddleSpecialized Powernot listed

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