Racers on a budget and crit riders who want Tarmac-like stack/reach in aluminum.
Alloy race bike with carbon-adjacent geometry. Stiff, loud, and surprisingly close to Tarmac numbers in recent years. It feels like a crit bike, not an Allez endurance frame.
Aero racers. If you want light and conventional, R5; if you want endurance, Caledonia.
The aero Cervelo: V-stem, deep tubes, and a bike that wants to be ridden fast in a straight line and still corners better than its looks suggest.
Racers who want BMC's classic race fit. Roadmachine if you need stack.
BMC's lightweight race bike: steep, precise, and a WorldTour stack/reach reference. Less aero than Teammachine R / Timemachine.
Fast road riders who want Orbea aero. Orca if you care more about weight.
Aero Orbea race bike. Deeper tubes than Orca, same size run so many riders can twin the two on stack/reach.
| Measurement |  SpecializedAllez Sprint 2027 |  CerveloS5 2022 |  |  OrbeaOrca Aero 2022 |
|---|---|---|---|---|
| Stackmm | 565 | 565 | 565 | 542−23 |
| Reachmm | 391 | 392+1 | 392+1 | 388−3 |
| Head tube angle° | 73.5 | 73.0−0.5 | 72.3−1.2 | 72.8−0.7 |
| Seat tube angle° | 73.5 | 73.0−0.5 | 73.5 | 73.5 |
| Chainstaymm | 410 | 410 | 410 | 408−2 |
| Wheelbasemm | 999 | 994−5 | 1000+1 | 980−19 |
| BB dropmm | 70 | 70 | 69−1 | 68−2 |
| BB heightmm | — | — | — | — |
| Standovermm | — | — | — | — |
| Part | Allez Sprint 56 | S5 56 | Teammachine SLR 56 | Orca Aero 53 |
|---|---|---|---|---|
| Stem | 100 mm | 100 mm | 100 mm | 90 mm |
| Bar | 420 mm | 420 mm | 420 mm | 400 mm |
| Crank | 172.5 mm | 172.5 mm | 172.5 mm | 170 mm |
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