Quiver

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

The 47 is the Trek Émonda SLR size closest to your 49 Specialized Tarmac Men's Disc Pro. 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 Pro in 49, the Trek Émonda SLR in 47 places the top of the head tube 7 mm lower and about as far forward, relative to the bottom bracket.

Frame stack
−7 mm
Lower front end
Frame reach
−2 mm
About the same reach
Wheelbase
−1 mm
About the same
Head angle
+0.3°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

2019 Specialized Tarmac Men's Disc Pro (49)The Specialized Tarmac Men's Disc Pro frame drawn to scale.J 973

Only the Specialized Tarmac Men's Disc Pro is drawn. The Trek Émonda SLR numbers we have for size 47 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Tarmac Men's Disc Pro 49Trek Émonda SLR 47Difference
Reach375mm373−2 mm
Stack514mm507−7 mm
Head tube angle71.75°72.1°+0.3°
Seat tube angle75.5°not listed
Effective top tube508mm512+4 mm
Chainstay length410mm410±0 mm
Wheelbase973mm972−1 mm
BB drop74mm72−2 mm
BB height266mmnot listed
Standover740mm692−48 mm
Seat tube length431mm424−7 mm
Fork length363mmnot listed
Head tube length115mm100−15 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

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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