2021 Trek Émonda SL vs 2021 Specialized Allez Sprint Comp Disc
The 54 is the Specialized Allez Sprint Comp Disc size closest to your 52 Trek Émonda SL. 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 SL in 52, the Specialized Allez Sprint Comp Disc in 54 places the top of the head tube 5 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- +2 mm
- About the same
- Head angle
- +0.2°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Émonda SL numbers we have for size 52 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Émonda SL 52 | Specialized Allez Sprint Comp Disc 54 | Difference |
|---|---|---|---|
| Reach | 383 | 385mm | +2 mm |
| Stack | 533 | 538mm | +5 mm |
| Head tube angle | 72.8° | 73° | +0.2° |
| Effective top tube | 534 | not listed | |
| Chainstay length | 410 | 410mm | ±0 mm |
| Wheelbase | 977 | 979mm | +2 mm |
| BB drop | 72 | 69mm | −3 mm |
| Standover | 732 | 764mm | +32 mm |
| Seat tube length | 483 | 500mm | +17 mm |
| Head tube length | 121 | 140mm | +19 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 SL. Full charts: 2021 Trek Émonda SL, 2021 Specialized Allez Sprint Comp Disc.
Where each sits in its class
Trek Émonda SLSpecialized 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 SLSL 7 | Specialized Allez Sprint Comp DiscComp Disc |
|---|---|---|
| Frame | Trek Ultralight 500 | not listed |
| Fork | Trek Émonda SL | not listed |
| Shifter | Shimano Ultegra Di2 | Shimano 105 R7020 |
| Derailleur | Shimano Ultegra R8050 Di2 | 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 R2 Hard-Case Lite | Specialized Turbo Pro |
| Brake | Shimano Ultegra | Shimano 105 |
| Handlebar | Bontrager Pro VR-C | not listed |
| Seatpost | Bontrager Seatmast Cap | Specialized Allez Sprint |
| Saddle | Bontrager Aeolus | Specialized Power Sport |
| Bottom bracket | not listed | Praxis 6806 |
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