2022 Specialized Roubaix Expert 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
- n/a
- One of the bikes has no number for this
- Wheelbase
- +3 mm
- Longer: steadier at speed
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Only the Specialized Roubaix Expert is drawn. The Specialized Allez Sport numbers we have for size 54 are missing the reach, stack and head angle.
Geometry side by side
| Measurement | Specialized Roubaix Expert 54 | Specialized Allez Sport 54 | Difference |
|---|---|---|---|
| Reach | 376mm | not listed | |
| Stack | 585mm | not listed | |
| Head tube angle | 72.75° | not listed | |
| Seat tube angle | 74° | 73.25° | −0.8° |
| Chainstay length | 415mm | 420mm | +5 mm |
| Wheelbase | 988mm | 991mm | +3 mm |
| BB drop | 76mm | not listed | |
| BB height | 266mm | not listed | |
| Standover | 762mm | 763mm | +1 mm |
| Seat tube length | 465mm | 510mm | +45 mm |
| Fork length | 370mm | 368mm | −2 mm |
| Head tube length | 125mm | 155mm | +30 mm |
Differences are the Specialized Allez Sport minus the Specialized Roubaix Expert. Full charts: 2022 Specialized Roubaix Expert, 2021 Specialized Allez Sport.
Where each sits in its class
Specialized Roubaix ExpertSpecialized 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 ExpertExpert | Specialized Allez SportSport |
|---|---|---|
| Fork | Specialized Future Shock 2.0 | Specialized FACT |
| Shifter | Shimano Ultegra R8170 Di2 | Shimano Sora |
| Derailleur | Shimano Ultegra R8150 Di2, Shimano Ultegra R8150 | Shimano Sora |
| Cassette | Shimano Ultegra | not listed |
| Chain | Shimano Ultegra | KMC X9 |
| Crankset | Shimano Ultegra R8100 | Praxis Alba |
| Wheelset | Roval C38 | Specialized Axis Sport |
| Tire | Specialized Turbo Pro | Specialized Roadsport |
| Brake | Shimano Ultegra R8170 | Specialized Axis 1.0 |
| Handlebar | Specialized Hover Expert | Specialized Shallow Drop |
| Stem | Specialized Future | not listed |
| Seatpost | Specialized S-Works Pave | not listed |
| Saddle | Specialized Power Expert | Specialized Bridge Saddle |
| Frame | not listed | Specialized Allez |
| Chainring | not listed | Praxis Alba |
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