Quiver

2018 Specialized Tarmac Men's Ultralight vs 2020 Specialized Allez Sprint

The 61.0 is the Specialized Allez Sprint size closest to your 61 Specialized Tarmac Men's Ultralight. 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

Compared with the Specialized Tarmac Men's Ultralight in 61, the Specialized Allez Sprint in 61.0 places the top of the head tube 8 mm lower and 3 mm further back, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.

Frame stack
−8 mm
Lower front end
Frame reach
−3 mm
Shorter frame reach
Wheelbase
−7 mm
Shorter: quicker to change direction
Head angle
±0.0°
About the same head angle
Chainstays
−3 mm
Shorter: livelier

The two frames

2018 Specialized Tarmac Men's Ultralight (61) and 2020 Specialized Allez Sprint (61.0), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac Men's Ultralight is drawn in full with its measurements, and the Specialized Allez Sprint is the colored outline on top.J 1012

Specialized Tarmac Men's Ultralight, 61Specialized Allez Sprint, 61.0Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac Men's Ultralight 61Specialized Allez Sprint 61.0Difference
Reach408mm405mm−3 mm
Stack612mm604mm−8 mm
Head tube angle74°74°±0.0°
Seat tube angle73°74°+1.0°
Effective top tube595mmnot listed
Chainstay length410mm407mm−3 mm
Wheelbase1012mm1005mm−7 mm
BB drop72mm69mm−3 mm
BB height268mm272.5mm+5 mm
Standover850mm833.8mm−16 mm
Seat tube length553mm570mm+17 mm
Fork length363mm368mm+5 mm
Head tube length210mm200mm−10 mm

Differences are the Specialized Allez Sprint minus the Specialized Tarmac Men's Ultralight. Full charts: 2018 Specialized Tarmac Men's Ultralight, 2020 Specialized Allez Sprint.

Where each sits in its class

Specialized Tarmac Men's UltralightSpecialized Allez Sprint

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 Men's UltralightMen's S-Works UltralightSpecialized Allez SprintAllez Sprint Frameset
FrameSpecialized S-Works Tarmac SL6not listed
ShifterShimano Dura-Ace R9150 Di2not listed
DerailleurShimano Dura-Ace R9150 Di2not listed
CassetteShimano Dura-Ace R9100not listed
ChainShimano Dura-Acenot listed
WheelsetRoval CLX 32not listed
TireSpecialized Turbo Cottonnot listed
BrakeSpecialized eecycleworks eebrakenot listed
SaddleSpecialized S-Works Toupenot listed
Seatpostnot listedSpecialized Allez Sprint

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