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

The Trek Émonda SLR size closest to your 54 is the 54. Compare the 54 instead

What changes on the Trek Émonda SLR

Compared with the Specialized Tarmac Men's Disc Expert in 54, the Trek Émonda SLR in 58 places the top of the head tube 37 mm higher and 12 mm further forward, relative to the bottom bracket. Its wheelbase is 14 mm longer, which can contribute to stability at speed.

Frame stack
+37 mm
Higher front end
Frame reach
+12 mm
Longer frame reach
Wheelbase
+14 mm
Longer: steadier at speed
Head angle
+0.8°
Steeper: sharper steering
Chainstays
+1 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 58 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Tarmac Men's Disc Expert 54Trek Émonda SLR 58Difference
Reach384mm396+12 mm
Stack544mm581+37 mm
Head tube angle73°73.8°+0.8°
Seat tube angle74°not listed
Effective top tube540mm574+34 mm
Chainstay length410mm411+1 mm
Wheelbase978mm992+14 mm
BB drop72mm68−4 mm
BB height268mmnot listed
Standover775mm793+18 mm
Seat tube length481mm553+72 mm
Fork length363mmnot listed
Head tube length143mm171+28 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

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