2021 Specialized Allez Sprint Comp Disc vs 2023 Trek Émonda SLR Disc Frameset
The 50 is the Trek Émonda SLR Disc Frameset 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 Disc Frameset
Compared with the Specialized Allez Sprint Comp Disc in 52, the Trek Émonda SLR Disc Frameset 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 Disc Frameset 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 Disc Frameset 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 | |
| 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 |
| Effective top tube | not listed | 521 |
Differences are the Trek Émonda SLR Disc Frameset minus the Specialized Allez Sprint Comp Disc. Full charts: 2021 Specialized Allez Sprint Comp Disc, 2023 Trek Émonda SLR Disc Frameset.
Where each sits in its class
Specialized Allez Sprint Comp DiscTrek Émonda SLR Disc Frameset
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 SLR Disc FramesetSLR Disc Frameset |
|---|---|---|
| Shifter | Shimano 105 R7020 | not listed |
| Derailleur | Shimano 105 R7000, Shimano 105 R7000 GS | Trek derailleurs must have |
| Cassette | Shimano 105 | not listed |
| Chain | KMC X11 Extra | not listed |
| Crankset | Praxis Alba | not listed |
| Bottom bracket | Praxis 6806 | not listed |
| Wheelset | DT Swiss R470 | not listed |
| Tire | Specialized Turbo Pro | not listed |
| Brake | Shimano 105 | not listed |
| Seatpost | Specialized Allez Sprint | not listed |
| Saddle | Specialized Power Sport | not listed |
| Frame | not listed | Trek Ultralight 800 |
| Fork | not listed | Trek Emonda SLR |
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