Quiver

2021 Specialized Roubaix Sagan Collection 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
−20 mm
Shorter: quicker to change direction
Head angle
−0.5°
Slacker: calmer steering
Chainstays
−5 mm
Shorter: livelier

The two frames

2021 Specialized Roubaix Sagan Collection (56)The Specialized Roubaix Sagan Collection frame drawn to scale.J 995

Only the Specialized Roubaix Sagan Collection 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 Sagan Collection 56Specialized Tarmac SL7 Pro 54Difference
Reach384mmnot listed
Stack605mmnot listed
Head tube angle73.5°73−0.5°
Seat tube angle73.5°74+0.5°
Chainstay length415mm410−5 mm
Wheelbase995mm975−20 mm
BB drop76mm72−4 mm
BB height266mm268+2 mm
Standover783mm768mm−15 mm
Seat tube length485mmnot listed
Fork length370mmnot listed
Head tube length143mmnot listed

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

Where each sits in its class

Specialized Roubaix Sagan CollectionSpecialized 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 Sagan CollectionS-Works Sagan CollectionSpecialized Tarmac SL7 Pro
ForkSpecialized Future Shock 2.0not listed
ShifterShimano Dura-Ace Di2not listed
DerailleurShimano Dura-Ace R9150 Di2, Shimano Dura-Ace R9100not listed
CassetteShimano Dura-Ace R9100not listed
ChainShimano Dura-Acenot listed
CranksetShimano Dura-Ace R9100not listed
WheelsetRoval Rapide CLXnot listed
TireSpecialized Turbo Cottonnot listed
BrakeShimano Dura-Acenot listed
StemSpecialized S-Works Futurenot listed
SeatpostSpecialized S-Works Pavenot listed
SaddleSpecialized S-Works Romin Evonot 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