Quiver

2015 Trek Émonda SLR vs 2016 Specialized Tarmac Pro Disc Race UDi2

The 61.0 is the Specialized Tarmac Pro Disc Race UDi2 size closest to your 64 Trek Émonda SLR. 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 Specialized Tarmac Pro Disc Race UDi2

Compared with the Trek Émonda SLR in 64, the Specialized Tarmac Pro Disc Race UDi2 in 61.0 places the top of the head tube 42 mm lower and 7 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.

Frame stack
−42 mm
Lower front end
Frame reach
+7 mm
Longer frame reach
Wheelbase
−4 mm
Shorter: quicker to change direction
Head angle
±0.0°
About the same head angle
Chainstays
−3 mm
Shorter: livelier

The two frames

We can't draw these frames yet. The Trek Émonda SLR numbers we have for size 64 are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Émonda SLR 64Specialized Tarmac Pro Disc Race UDi2 61.0Difference
Reach401408+7 mm
Stack654612−42 mm
Head tube angle74.0°74±0.0°
Effective top tube610601−9 mm
Chainstay length413410−3 mm
Wheelbase10181014−4 mm
BB drop6868±0 mm
Standover841850+9 mm
Seat tube length613580−33 mm
Head tube length250210−40 mm
Seat tube anglenot listed72.5
BB heightnot listed274
Fork lengthnot listed368

Differences are the Specialized Tarmac Pro Disc Race UDi2 minus the Trek Émonda SLR. Full charts: 2015 Trek Émonda SLR, 2016 Specialized Tarmac Pro Disc Race UDi2.

Where each sits in its class

Trek Émonda SLRSpecialized Tarmac Pro Disc Race UDi2

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.

PartTrek Émonda SLRSLR 10Specialized Tarmac Pro Disc Race UDi2Pro Disc Race UDi2
FrameTrek Ultralight 700not listed
ForkTrek ÉmondaSpecialized FACT carbon
ShifterSRAM RED 22Shimano 785 Di2
DerailleurSRAM RED 22Shimano Ultegra Di2
CassetteSRAM X-Glide 1190Shimano Ultegra
ChainSRAM RED22Shimano Ultegra
CranksetSRAM RedSpecialized Pro
Bottom bracketTrek BB90not listed
WheelsetTrek Tune MIG45Roval CL 40
TireVittoria Crono CSSpecialized S-Works Turbo
HubTrek Tune MIG45, Trek Tune MAG150not listed
RimTrek Tune Skylinenot listed
BrakeBontrager StopShimano BR-785
HandlebarBontrager XXXSpecialized Expert
StemBontrager XXXSpecialized Pro SL
HeadsetCane Creek AERnot listed
SeatpostBontrager SLRS Works FACT carbon
SaddleTrek Tune Komm-Vor PlusSpecialized Toupe Expert
Bar tapenot listedSpecialized Roubaix

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