Quiver

2019 Specialized Tarmac Men's Disc Expert vs 2021 Trek Émonda SLR

The 54 is the Trek Émonda SLR size closest to your 54 Specialized Tarmac Men's Disc Expert. 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 Trek Émonda SLR

Compared with the Specialized Tarmac Men's Disc Expert in 54, the Trek Émonda SLR in 54 places the top of the head tube 3 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 3 mm longer, which can contribute to stability at speed.

Frame stack
−3 mm
Lower front end
Frame reach
+2 mm
About the same reach
Wheelbase
+3 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2019 Specialized Tarmac Men's Disc Expert (54)The Specialized Tarmac Men's Disc Expert frame drawn to scale.J 978

Only the Specialized Tarmac Men's Disc Expert is drawn. The Trek Émonda SLR numbers we have for size 54 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Tarmac Men's Disc Expert 54Trek Émonda SLR 54Difference
Reach384mm386+2 mm
Stack544mm541−3 mm
Head tube angle73°73.0°±0.0°
Seat tube angle74°not listed
Effective top tube540mm543+3 mm
Chainstay length410mm410±0 mm
Wheelbase978mm981+3 mm
BB drop72mm70−2 mm
BB height268mmnot listed
Standover775mm744−31 mm
Seat tube length481mm496+15 mm
Fork length363mmnot listed
Head tube length143mm131−12 mm

Differences are the Trek Émonda SLR minus the Specialized Tarmac Men's Disc Expert. Full charts: 2019 Specialized Tarmac Men's Disc Expert, 2021 Trek Émonda SLR.

Where each sits in its class

Specialized Tarmac Men's Disc ExpertTrek Émonda SLR

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 Men's Disc ExpertMen's Disc ExpertTrek Émonda SLRSLR 6
FrameSpecialized Tarmac SL6Trek Ultralight 800
ShifterShimano UltegraShimano Ultegra R8020
DerailleurShimano Ultegra R8000, Shimano Ultegra R8000-GSShimano Ultegra R8000
CassetteShimano Ultegra R8000Shimano Ultegra R8000
ChainShimano UltegraShimano Ultegra HG701
CranksetShimano Ultegra R8000Shimano Ultegra R8000
WheelsetRoval C38Bontrager Aeolus Pro 37
TireSpecialized S-Works TurboBontrager R3 Hard-Case Lite
BrakeShimano Ultegra R8070Shimano Ultegra
SaddleSpecialized Toupe ExpertBontrager Aeolus Elite
Forknot listedTrek Emonda SLR
Handlebarnot listedBontrager Aeolus RSL
Seatpostnot listedBontrager Seatmast Cap

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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