Quiver

2020 Specialized Roubaix 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
−11 mm
Shorter: quicker to change direction
Head angle
+1.0°
Steeper: sharper steering
Chainstays
−3 mm
Shorter: livelier

The two frames

2020 Specialized Roubaix (52)The Specialized Roubaix frame drawn to scale.J 986

Only the Specialized Roubaix 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 52Specialized Tarmac SL7 Pro 54Difference
Reach368not listed
Stack570not listed
Head tube angle7273+1.0°
Seat tube angle7474±0.0°
Chainstay length413410−3 mm
Wheelbase986975−11 mm
BB drop7772−5 mm
BB height265268+3 mm
Standover743768mm+25 mm
Seat tube length446not listed
Fork length370not listed
Head tube length112not listed

Differences are the Specialized Tarmac SL7 Pro minus the Specialized Roubaix. Full charts: 2020 Specialized Roubaix, 2021 Specialized Tarmac SL7 Pro.

Where each sits in its class

Specialized RoubaixSpecialized 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 RoubaixRoubaixSpecialized Tarmac SL7 Pro
FrameSpecialized FACT 10Rnot listed
ForkSpecialized Future Shock 1.5not listed
ShifterShimano Tiagranot listed
DerailleurShimano Tiagranot listed
CassetteShimano Tiagranot listed
ChainKMC X10not listed
CranksetPraxis Albanot listed
ChainringPraxis Albanot listed
WheelsetSpecialized Axis Sportnot listed
TireSpecialized Espoir Sportnot listed
BrakeShimano Tiagranot listed
HandlebarSpecialized Hovernot listed
StemSpecialized 3D-forgednot listed
SeatpostSpecialized S-Works Pavenot listed
SaddleSpecialized Power Sportnot 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