Quiver

2021 Specialized Allez Sprint Comp vs 2020 Specialized Tarmac SL6

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

What changes on the Specialized Tarmac SL6

Compared with the Specialized Allez Sprint Comp in 54, the Specialized Tarmac SL6 in 61 places the top of the head tube 75 mm higher and 21 mm further forward, relative to the bottom bracket. Its wheelbase is 33 mm longer, which can contribute to stability at speed.

Frame stack
+75 mm
Higher front end
Frame reach
+21 mm
Longer frame reach
Wheelbase
+33 mm
Longer: steadier at speed
Head angle
+1.0°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

2021 Specialized Allez Sprint Comp (54) and 2020 Specialized Tarmac SL6 (61), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Allez Sprint Comp is drawn in full with its measurements, and the Specialized Tarmac SL6 is the colored outline on top.J 979

Specialized Allez Sprint Comp, 54Specialized Tarmac SL6, 61Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Allez Sprint Comp 54Specialized Tarmac SL6 61Difference
Reach387mm408mm+21 mm
Stack537mm612mm+75 mm
Head tube angle73°74°+1.0°
Seat tube angle74°73°−1.0°
Chainstay length410mm410mm±0 mm
Wheelbase979mm1012mm+33 mm
BB drop72mm72mm±0 mm
BB height268mm268mm±0 mm
Standover765mm850mm+85 mm
Seat tube length510mm553mm+43 mm
Fork length366mm363mm−3 mm
Head tube length133mm210mm+77 mm

Differences are the Specialized Tarmac SL6 minus the Specialized Allez Sprint Comp. Full charts: 2021 Specialized Allez Sprint Comp, 2020 Specialized Tarmac SL6.

Where each sits in its class

Specialized Allez Sprint CompSpecialized 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 CompCompSpecialized Tarmac SL6S-Works
ShifterShimano 105 R7020not listed
DerailleurShimano 105 R7000, Shimano 105 R7000 GSSRAM RED eTAP AXS
CassetteShimano 105SRAM RED XG-1290
ChainKMC X11 ExtraSRAM Red
CranksetShimano 105 R7000SRAM RED AXS Power Meter
WheelsetDT Swiss R470Roval CLX 50
TireSpecialized Turbo ProSpecialized Turbo Cotton
BrakeShimano 105SRAM Red eTap AXS
SeatpostSpecialized S-Works Tarmacnot listed
SaddleSpecialized Power SportSpecialized S-Works Power
Bottom bracketnot listedSRAM DUB
Hubnot listedSpecialized LuHai_RVT66L-K5-B25-AN2-N4-F0

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