Quiver

2016 Specialized Tarmac Disc vs 2015 Specialized Allez Elite

The 58 is the Specialized Allez Elite size closest to your 61.0 Specialized Tarmac Disc. 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 Elite

Compared with the Specialized Tarmac Disc in 61.0, the Specialized Allez Elite in 58 places the top of the head tube 7 mm lower and 6 mm further back, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.

Frame stack
−7 mm
Lower front end
Frame reach
−6 mm
Shorter frame reach
Wheelbase
−7 mm
Shorter: quicker to change direction
Head angle
−0.5°
Slacker: calmer steering
Chainstays
−3 mm
Shorter: livelier

The two frames

2016 Specialized Tarmac Disc (61.0) and 2015 Specialized Allez Elite (58), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac Disc is drawn in full with its measurements, and the Specialized Allez Elite is the colored outline on top.J 1014

Specialized Tarmac Disc, 61.0Specialized Allez Elite, 58Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac Disc 61.0Specialized Allez Elite 58Difference
Reach408402mm−6 mm
Stack612605mm−7 mm
Head tube angle7473.5°−0.5°
Seat tube angle72.573°+0.5°
Effective top tube601587mm−14 mm
Chainstay length410407mm−3 mm
Wheelbase10141007mm−7 mm
BB drop6867.5mm−1 mm
BB height274not listed
Standover850817mm−33 mm
Seat tube length580540mm−40 mm
Fork length368not listed
Head tube length210205mm−5 mm

Differences are the Specialized Allez Elite minus the Specialized Tarmac Disc. Full charts: 2016 Specialized Tarmac Disc, 2015 Specialized Allez Elite.

Where each sits in its class

Specialized Tarmac DiscSpecialized Allez Elite

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 DiscSpecialized Allez EliteElite
Shifternot listedShimano Tiagra
Derailleurnot listedShimano Tiagra
Cassettenot listedShimano Tiagra
Chainnot listedKMC X-10
Cranksetnot listedShimano Tiagra
Wheelsetnot listedSpecialized AXIS Classic
Tirenot listedSpecialized Espoir Sport
Brakenot listedSpecialized Axis 1.0
Saddlenot listedSpecialized Toupé Sport

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

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