Quiver

2019 Specialized Tarmac SL6 vs 2018 Specialized Tarmac Men's Ultralight

The Specialized Tarmac Men's Ultralight size closest to your 54 is the 54. Compare the 54 instead

What changes on the Specialized Tarmac Men's Ultralight

Compared with the Specialized Tarmac SL6 in 54, the Specialized Tarmac Men's Ultralight 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

2019 Specialized Tarmac SL6 (54) and 2018 Specialized Tarmac Men's Ultralight (49), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac SL6 is drawn in full with its measurements, and the Specialized Tarmac Men's Ultralight is the colored outline on top.J 973

Specialized Tarmac SL6, 54Specialized Tarmac Men's Ultralight, 49Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac SL6 54Specialized Tarmac Men's Ultralight 49Difference
Reach384375mm−9 mm
Stack544514mm−30 mm
Head tube angle7371.75°−1.3°
Seat tube angle7475.5°+1.5°
Effective top tube540508mm−32 mm
Chainstay length405mm405mm±0 mm
Wheelbase973mm968mm−5 mm
BB drop72mm74mm+2 mm
BB height268mm266mm−2 mm
Standover775740mm−35 mm
Seat tube length481431mm−50 mm
Fork length363mm363mm±0 mm
Head tube length143115mm−28 mm

Differences are the Specialized Tarmac Men's Ultralight minus the Specialized Tarmac SL6. Full charts: 2019 Specialized Tarmac SL6, 2018 Specialized Tarmac Men's Ultralight.

Where each sits in its class

Specialized Tarmac SL6Specialized Tarmac Men's Ultralight

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 SL6S-WorksSpecialized Tarmac Men's UltralightMen's S-Works Ultralight
FrameSpecialized S-Works Tarmac SL6Specialized S-Works Tarmac SL6
Shifternot listedShimano Dura-Ace R9150 Di2
Derailleurnot listedShimano Dura-Ace R9150 Di2
Cassettenot listedShimano Dura-Ace R9100
Chainnot listedShimano Dura-Ace
Wheelsetnot listedRoval CLX 32
Tirenot listedSpecialized Turbo Cotton
Brakenot listedSpecialized eecycleworks eebrake
Saddlenot listedSpecialized S-Works Toupe

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