2019 Specialized Allez Sprint Comp Disc vs 2021 Trek Émonda SLR
The 50 is the Trek Émonda SLR size closest to your 52 Specialized Allez Sprint Comp Disc. 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 Allez Sprint Comp Disc in 52, the Trek Émonda SLR in 50 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket. Its wheelbase is 6 mm longer, which can contribute to stability at speed.
- Frame stack
- +2 mm
- About the same height
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- +6 mm
- Longer: steadier at speed
- Head angle
- −0.9°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Allez Sprint Comp Disc is drawn. The Trek Émonda SLR numbers we have for size 50 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Allez Sprint Comp Disc 52 | Trek Émonda SLR 50 | Difference |
|---|---|---|---|
| Reach | 380mm | 378 | −2 mm |
| Stack | 519mm | 521 | +2 mm |
| Head tube angle | 73° | 72.1° | −0.9° |
| Seat tube angle | 74° | not listed | |
| Effective top tube | 529mm | 521 | −8 mm |
| Chainstay length | 410mm | 410 | ±0 mm |
| Wheelbase | 968mm | 974 | +6 mm |
| BB drop | 69mm | 72 | +3 mm |
| BB height | 271mm | not listed | |
| Standover | 744mm | 711 | −33 mm |
| Seat tube length | 480mm | 453 | −27 mm |
| Fork length | 363mm | not listed | |
| Head tube length | 120mm | 111 | −9 mm |
Differences are the Trek Émonda SLR minus the Specialized Allez Sprint Comp Disc. Full charts: 2019 Specialized Allez Sprint Comp Disc, 2021 Trek Émonda SLR.
Where each sits in its class
Specialized Allez Sprint Comp DiscTrek 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 Allez Sprint Comp DiscComp Disc | Trek Émonda SLRSLR 6 |
|---|---|---|
| Fork | Specialized Tarmac SL6 | Trek Emonda SLR |
| Shifter | Shimano 105 R7020 | Shimano Ultegra R8020 |
| Derailleur | Shimano 105 R7000, Shimano 105 R7000 GS | Shimano Ultegra R8000 |
| Cassette | Shimano 105 R7000 | Shimano Ultegra R8000 |
| Chain | KMC X11 EL | Shimano Ultegra HG701 |
| Crankset | Praxis Zayante | Shimano Ultegra R8000 |
| Bottom bracket | Praxis 6806 | not listed |
| Wheelset | DT Swiss R470 | Bontrager Aeolus Pro 37 |
| Tire | Specialized Turbo Pro | Bontrager R3 Hard-Case Lite |
| Brake | Shimano 105 R7070 | Shimano Ultegra |
| Seatpost | Specialized Venge | Bontrager Seatmast Cap |
| Saddle | Specialized Toupé Sport | Bontrager Aeolus Elite |
| Frame | not listed | Trek Ultralight 800 |
| Handlebar | not listed | Bontrager Aeolus RSL |
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