Quiver

2021 Specialized Tarmac SL7 Frameset vs 2023 Specialized Allez Sprint D'Aluisio Smartweld Alloy

The 58 is the Specialized Allez Sprint D'Aluisio Smartweld Alloy size closest to your 59 Specialized Tarmac SL7 Frameset. 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 Specialized Allez Sprint D'Aluisio Smartweld Alloy

Compared with the Specialized Tarmac SL7 Frameset in 59, the Specialized Allez Sprint D'Aluisio Smartweld Alloy in 58 places the top of the head tube 16 mm higher and 8 mm further back, relative to the bottom bracket. Its wheelbase is 3 mm shorter, which can contribute to quicker direction changes.

Frame stack
+16 mm
Higher front end
Frame reach
−8 mm
Shorter frame reach
Wheelbase
−3 mm
Shorter: quicker to change direction
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2021 Specialized Tarmac SL7 Frameset (59) and 2023 Specialized Allez Sprint D'Aluisio Smartweld Alloy (58), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac SL7 Frameset is drawn in full with its measurements, and the Specialized Allez Sprint D'Aluisio Smartweld Alloy is the colored outline on top.J 1009

Specialized Tarmac SL7 Frameset, 59Specialized Allez Sprint D'Aluisio Smartweld Alloy, 58Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac SL7 Frameset 59Specialized Allez Sprint D'Aluisio Smartweld Alloy 58Difference
Reach413mm405mm−8 mm
Stack568mm584mm+16 mm
Head tube angle73.5°73.5°±0.0°
Seat tube angle73°73.5°+0.5°
Chainstay length410mm410mm±0 mm
Wheelbase1009mm1006mm−3 mm
BB drop72mm72mm±0 mm
BB height268mm268mm±0 mm
Standover809mm815mm+6 mm
Seat tube length527mm550mm+23 mm
Fork length366mm366mm±0 mm
Head tube length163mm180mm+17 mm

Differences are the Specialized Allez Sprint D'Aluisio Smartweld Alloy minus the Specialized Tarmac SL7 Frameset. Full charts: 2021 Specialized Tarmac SL7 Frameset, 2023 Specialized Allez Sprint D'Aluisio Smartweld Alloy.

Where each sits in its class

Specialized Tarmac SL7 FramesetSpecialized Allez Sprint D'Aluisio Smartweld Alloy

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 Tarmac SL7 FramesetS-Works FramesetSpecialized Allez Sprint D'Aluisio Smartweld AlloyD'Aluisio Smartweld Alloy
FrameSpecialized S-Works Tarmac SL7 FACTnot listed
StemSpecialized Tarmacnot listed
Seatpostnot listedSpecialized S-Works Tarmac

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