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2019 Specialized Tarmac Men's Disc Pro 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 Pro in 54, the Trek Émonda SLR in 56 places the top of the head tube 19 mm higher and 7 mm further forward, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.

Frame stack
+19 mm
Higher front end
Frame reach
+7 mm
Longer frame reach
Wheelbase
+5 mm
Longer: steadier at speed
Head angle
+0.5°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

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

Only the Specialized Tarmac Men's Disc Pro is drawn. The Trek Émonda SLR numbers we have for size 56 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Tarmac Men's Disc Pro 54Trek Émonda SLR 56Difference
Reach384mm391+7 mm
Stack544mm563+19 mm
Head tube angle73°73.5°+0.5°
Seat tube angle74°not listed
Effective top tube540mm559+19 mm
Chainstay length410mm410±0 mm
Wheelbase978mm983+5 mm
BB drop72mm70−2 mm
BB height268mmnot listed
Standover775mm768−7 mm
Seat tube length481mm525+44 mm
Fork length363mmnot listed
Head tube length143mm151+8 mm

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

Where each sits in its class

Specialized Tarmac Men's Disc ProTrek 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 ProMen's Disc ProTrek Émonda SLRSLR 6
FrameSpecialized Tarmac SL6Trek Ultralight 800
ShifterShimano Ultegra Di2Shimano Ultegra R8020
DerailleurShimano Ultegra R8050 Di2Shimano Ultegra R8000
CassetteShimano Ultegra R8000Shimano Ultegra R8000
ChainShimano UltegraShimano Ultegra HG701
CranksetShimano Ultegra R8000Shimano Ultegra R8000
WheelsetRoval CL 50Bontrager Aeolus Pro 37
TireSpecialized S-Works TurboBontrager R3 Hard-Case Lite
BrakeShimano Ultegra R8070Shimano Ultegra
SaddleSpecialized Toupé ProBontrager Aeolus Elite
Forknot listedTrek Emonda SLR
Handlebarnot listedBontrager Aeolus RSL
Seatpostnot listedBontrager Seatmast Cap

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