Quiver

2020 Specialized Allez Sprint Disc vs 2020 Specialized Tarmac SL6

The Specialized Tarmac SL6 size closest to your 54.0 is the 54. Compare the 54 instead

What changes on the Specialized Tarmac SL6

Compared with the Specialized Allez Sprint Disc in 54.0, the Specialized Tarmac SL6 in 58 places the top of the head tube 53 mm higher and 17 mm further forward, relative to the bottom bracket. Its wheelbase is 26 mm longer, which can contribute to stability at speed.

Frame stack
+53 mm
Higher front end
Frame reach
+17 mm
Longer frame reach
Wheelbase
+26 mm
Longer: steadier at speed
Head angle
+0.5°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

2020 Specialized Allez Sprint Disc (54.0) and 2020 Specialized Tarmac SL6 (58), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Allez Sprint Disc is drawn in full with its measurements, and the Specialized Tarmac SL6 is the colored outline on top.J 979

Specialized Allez Sprint Disc, 54.0Specialized Tarmac SL6, 58Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Allez Sprint Disc 54.0Specialized Tarmac SL6 58Difference
Reach385mm402mm+17 mm
Stack538mm591mm+53 mm
Head tube angle73°73.5°+0.5°
Seat tube angle74°73.5°−0.5°
Chainstay length410mm410mm±0 mm
Wheelbase979mm1005mm+26 mm
BB drop69mm72mm+3 mm
BB height271mm268mm−3 mm
Standover764mm826mm+62 mm
Seat tube length500mm522mm+22 mm
Fork length363mm363mm±0 mm
Head tube length140mm190mm+50 mm

Differences are the Specialized Tarmac SL6 minus the Specialized Allez Sprint Disc. Full charts: 2020 Specialized Allez Sprint Disc, 2020 Specialized Tarmac SL6.

Where each sits in its class

Specialized Allez Sprint DiscSpecialized Tarmac SL6

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 Allez Sprint DiscDiscSpecialized Tarmac SL6S-Works
SeatpostSpecialized Allez Sprintnot listed
Derailleurnot listedSRAM RED eTAP AXS
Cassettenot listedSRAM RED XG-1290
Chainnot listedSRAM Red
Cranksetnot listedSRAM RED AXS Power Meter
Bottom bracketnot listedSRAM DUB
Wheelsetnot listedRoval CLX 50
Tirenot listedSpecialized Turbo Cotton
Hubnot listedSpecialized LuHai_RVT66L-K5-B25-AN2-N4-F0
Brakenot listedSRAM Red eTap AXS
Saddlenot listedSpecialized S-Works Power

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