Quiver

2021 Specialized Tarmac SL7 vs 2021 Specialized Venge Sagan Collection Deconstructivism

The 58 is the Specialized Venge Sagan Collection Deconstructivism size closest to your 61 Specialized Tarmac SL7. 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 Venge Sagan Collection Deconstructivism

Compared with the Specialized Tarmac SL7 in 61, the Specialized Venge Sagan Collection Deconstructivism in 58 places the top of the head tube 21 mm lower and 6 mm further back, relative to the bottom bracket. Its wheelbase is 8 mm shorter, which can contribute to quicker direction changes.

Frame stack
−21 mm
Lower front end
Frame reach
−6 mm
Shorter frame reach
Wheelbase
−8 mm
Shorter: quicker to change direction
Head angle
−0.5°
Slacker: calmer steering
Chainstays
±0 mm
About the same

The two frames

2021 Specialized Tarmac SL7 (61) and 2021 Specialized Venge Sagan Collection Deconstructivism (58), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac SL7 is drawn in full with its measurements, and the Specialized Venge Sagan Collection Deconstructivism is the colored outline on top.J 1013

Specialized Tarmac SL7, 61Specialized Venge Sagan Collection Deconstructivism, 58Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac SL7 61Specialized Venge Sagan Collection Deconstructivism 58Difference
Reach411405mm−6 mm
Stack602581mm−21 mm
Head tube angle74°73.5°−0.5°
Seat tube angle73°73.5°+0.5°
Chainstay length410mm410mm±0 mm
Wheelbase1013mm1005mm−8 mm
BB drop72mm72mm±0 mm
BB height268mm268mm±0 mm
Standover834mm817mm−17 mm
Seat tube length547mm537mm−10 mm
Fork length366mm363mm−3 mm
Head tube length198mm180mm−18 mm

Differences are the Specialized Venge Sagan Collection Deconstructivism minus the Specialized Tarmac SL7. Full charts: 2021 Specialized Tarmac SL7, 2021 Specialized Venge Sagan Collection Deconstructivism.

Where each sits in its class

Specialized Tarmac SL7Specialized Venge Sagan Collection Deconstructivism

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 SL7Specialized Venge Sagan Collection DeconstructivismS-Works Sagan Collection - Deconstructivism
Stemnot listedSpecialized Venge
Seatpostnot listedSpecialized S-Works Venge

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