2022 Specialized Roubaix Pro vs 2021 Specialized Allez Sport
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Specialized Allez Sport
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Only the Specialized Roubaix Pro is drawn. The Specialized Allez Sport numbers we have for size 52 are missing the stack.
Geometry side by side
| Measurement | Specialized Roubaix Pro 54 | Specialized Allez Sport 52 | Difference |
|---|---|---|---|
| Reach | 376mm | 376mm | ±0 mm |
| Stack | 585mm | not listed | |
| Head tube angle | 72.75° | 73° | +0.3° |
| Seat tube angle | 74° | 73.25° | −0.8° |
| Chainstay length | 415mm | 420mm | +5 mm |
| Wheelbase | 988mm | 983mm | −5 mm |
| BB drop | 76mm | not listed | |
| BB height | 266mm | not listed | |
| Standover | 762mm | 745mm | −17 mm |
| Seat tube length | 465mm | 490mm | +25 mm |
| Fork length | 370mm | 368mm | −2 mm |
| Head tube length | 125mm | 140mm | +15 mm |
Differences are the Specialized Allez Sport minus the Specialized Roubaix Pro. Full charts: 2022 Specialized Roubaix Pro, 2021 Specialized Allez Sport.
Where each sits in its class
Specialized Roubaix ProSpecialized Allez Sport
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
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 Roubaix ProPro | Specialized Allez SportSport |
|---|---|---|
| Fork | Specialized Future Shock 2.0 | Specialized FACT |
| Shifter | SRAM Force eTap AXS | Shimano Sora |
| Derailleur | SRAM Force eTAP AXS | Shimano Sora |
| Cassette | SRAM XG-1270 | not listed |
| Chain | SRAM Force | KMC X9 |
| Crankset | SRAM Force AXS | Praxis Alba |
| Bottom bracket | SRAM DUB | not listed |
| Wheelset | Roval Alpinist CL | Specialized Axis Sport |
| Tire | Specialized Turbo Pro | Specialized Roadsport |
| Brake | SRAM Force eTap AXS | Specialized Axis 1.0 |
| Stem | Specialized Future | not listed |
| Seatpost | Specialized S-Works Pave | not listed |
| Saddle | Specialized Power | Specialized Bridge Saddle |
| Frame | not listed | Specialized Allez |
| Chainring | not listed | Praxis Alba |
| Handlebar | not listed | Specialized Shallow Drop |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app



