2019 Specialized Tarmac Men's Disc Pro vs 2021 Trek Émonda SLR
The 54 is the Trek Émonda SLR size closest to your 54 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 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
Only the Specialized Tarmac Men's Disc Pro is drawn. The Trek Émonda SLR numbers we have for size 54 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Tarmac Men's Disc Pro 54 | Trek Émonda SLR 54 | Difference |
|---|---|---|---|
| Reach | 384mm | 386 | +2 mm |
| Stack | 544mm | 541 | −3 mm |
| Head tube angle | 73° | 73.0° | ±0.0° |
| Seat tube angle | 74° | not listed | |
| Effective top tube | 540mm | 543 | +3 mm |
| Chainstay length | 410mm | 410 | ±0 mm |
| Wheelbase | 978mm | 981 | +3 mm |
| BB drop | 72mm | 70 | −2 mm |
| BB height | 268mm | not listed | |
| Standover | 775mm | 744 | −31 mm |
| Seat tube length | 481mm | 496 | +15 mm |
| Fork length | 363mm | not listed | |
| Head tube length | 143mm | 131 | −12 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
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.
| Part | Specialized Tarmac Men's Disc ProMen's Disc Pro | Trek Émonda SLRSLR 6 |
|---|---|---|
| Frame | Specialized Tarmac SL6 | Trek Ultralight 800 |
| Shifter | Shimano Ultegra Di2 | Shimano Ultegra R8020 |
| Derailleur | Shimano Ultegra R8050 Di2 | Shimano Ultegra R8000 |
| Cassette | Shimano Ultegra R8000 | Shimano Ultegra R8000 |
| Chain | Shimano Ultegra | Shimano Ultegra HG701 |
| Crankset | Shimano Ultegra R8000 | Shimano Ultegra R8000 |
| Wheelset | Roval CL 50 | Bontrager Aeolus Pro 37 |
| Tire | Specialized S-Works Turbo | Bontrager R3 Hard-Case Lite |
| Brake | Shimano Ultegra R8070 | Shimano Ultegra |
| Saddle | Specialized Toupé Pro | Bontrager Aeolus Elite |
| Fork | not listed | Trek Emonda SLR |
| Handlebar | not listed | Bontrager Aeolus RSL |
| Seatpost | not listed | Bontrager Seatmast Cap |
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