Quiver

2021 Specialized Tarmac SL6 Comp vs 2020 Specialized Tarmac Disc Sagan Collection Mirror LTD

The Specialized Tarmac Disc Sagan Collection Mirror LTD size closest to your 54 is the 54. Compare the 54 instead

What changes on the Specialized Tarmac Disc Sagan Collection Mirror LTD

Compared with the Specialized Tarmac SL6 Comp in 54, the Specialized Tarmac Disc Sagan Collection Mirror LTD in 49 places the top of the head tube 30 mm lower and 9 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.

Frame stack
−30 mm
Lower front end
Frame reach
−9 mm
Shorter frame reach
Wheelbase
−5 mm
Shorter: quicker to change direction
Head angle
−1.3°
Slacker: calmer steering
Chainstays
±0 mm
About the same

The two frames

2021 Specialized Tarmac SL6 Comp (54) and 2020 Specialized Tarmac Disc Sagan Collection Mirror LTD (49), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac SL6 Comp is drawn in full with its measurements, and the Specialized Tarmac Disc Sagan Collection Mirror LTD is the colored outline on top.J 978

Specialized Tarmac SL6 Comp, 54Specialized Tarmac Disc Sagan Collection Mirror LTD, 49Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac SL6 Comp 54Specialized Tarmac Disc Sagan Collection Mirror LTD 49Difference
Reach384mm375mm−9 mm
Stack544mm514mm−30 mm
Head tube angle73°71.75°−1.3°
Seat tube angle74°75.5°+1.5°
Chainstay length410mm410mm±0 mm
Wheelbase978mm973mm−5 mm
BB drop72mm74mm+2 mm
BB height268mm266mm−2 mm
Standover775mm740mm−35 mm
Seat tube length499mm431mm−68 mm
Fork length363mm363mm±0 mm
Head tube length143mm115mm−28 mm

Differences are the Specialized Tarmac Disc Sagan Collection Mirror LTD minus the Specialized Tarmac SL6 Comp. Full charts: 2021 Specialized Tarmac SL6 Comp, 2020 Specialized Tarmac Disc Sagan Collection Mirror LTD.

Where each sits in its class

Specialized Tarmac SL6 CompSpecialized Tarmac Disc Sagan Collection Mirror LTD

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 SL6 CompCompSpecialized Tarmac Disc Sagan Collection Mirror LTDS-Works Disc Sagan Collection Mirror LTD
FrameSpecialized Tarmac SL6not listed
ShifterShimano UltegraSpecialized WAN FENG
DerailleurShimano Ultegra R8000not listed
CassetteShimano Ultegra R8000not listed
ChainShimano Ultegranot listed
CranksetShimano Ultegra R8000not listed
WheelsetDT Swiss R470not listed
TireSpecialized Turbo Pronot listed
BrakeShimano Ultegranot listed
SaddleSpecialized Power Sportnot listed

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