2021 Trek Émonda SLR vs 2021 Specialized Allez Sprint Comp Disc
The 52 is the Specialized Allez Sprint Comp Disc size closest to your 50 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 Allez Sprint Comp Disc
Compared with the Trek Émonda SLR in 50, the Specialized Allez Sprint Comp Disc in 52 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 shorter, which can contribute to quicker direction changes.
- Frame stack
- −2 mm
- About the same height
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- −6 mm
- Shorter: quicker to change direction
- Head angle
- +0.9°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Émonda SLR numbers we have for size 50 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Émonda SLR 50 | Specialized Allez Sprint Comp Disc 52 | Difference |
|---|---|---|---|
| Reach | 378 | 380mm | +2 mm |
| Stack | 521 | 519mm | −2 mm |
| Head tube angle | 72.1° | 73° | +0.9° |
| Effective top tube | 521 | not listed | |
| Chainstay length | 410 | 410mm | ±0 mm |
| Wheelbase | 974 | 968mm | −6 mm |
| BB drop | 72 | 69mm | −3 mm |
| Standover | 711 | 744mm | +33 mm |
| Seat tube length | 453 | 480mm | +27 mm |
| Head tube length | 111 | 120mm | +9 mm |
| Seat tube angle | not listed | 74° | |
| BB height | not listed | 271mm | |
| Fork length | not listed | 363mm |
Differences are the Specialized Allez Sprint Comp Disc minus the Trek Émonda SLR. Full charts: 2021 Trek Émonda SLR, 2021 Specialized Allez Sprint Comp Disc.
Where each sits in its class
Trek Émonda SLRSpecialized Allez Sprint Comp Disc
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 | Trek Émonda SLRSLR 6 | Specialized Allez Sprint Comp DiscComp Disc |
|---|---|---|
| Frame | Trek Ultralight 800 | not listed |
| Fork | Trek Emonda SLR | not listed |
| Shifter | Shimano Ultegra R8020 | Shimano 105 R7020 |
| Derailleur | Shimano Ultegra R8000 | Shimano 105 R7000, Shimano 105 R7000 GS |
| Cassette | Shimano Ultegra R8000 | Shimano 105 |
| Chain | Shimano Ultegra HG701 | KMC X11 Extra |
| Crankset | Shimano Ultegra R8000 | Praxis Alba |
| Wheelset | Bontrager Aeolus Pro 37 | DT Swiss R470 |
| Tire | Bontrager R3 Hard-Case Lite | Specialized Turbo Pro |
| Brake | Shimano Ultegra | Shimano 105 |
| Handlebar | Bontrager Aeolus RSL | not listed |
| Seatpost | Bontrager Seatmast Cap | Specialized Allez Sprint |
| Saddle | Bontrager Aeolus Elite | Specialized Power Sport |
| Bottom bracket | not listed | Praxis 6806 |
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