2022 Specialized Roubaix 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
- −6 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Only the Specialized Roubaix is drawn. The Specialized Allez Sport numbers we have for size 49 are missing the reach and stack.
Geometry side by side
| Measurement | Specialized Roubaix 54 | Specialized Allez Sport 49 | Difference |
|---|---|---|---|
| Reach | 376mm | not listed | |
| Stack | 585mm | not listed | |
| Head tube angle | 72.75° | 72.25° | −0.5° |
| Seat tube angle | 74° | 75.25° | +1.3° |
| Chainstay length | 415mm | 420mm | +5 mm |
| Wheelbase | 988mm | 982mm | −6 mm |
| BB drop | 76mm | not listed | |
| BB height | 266mm | not listed | |
| Standover | 762mm | 720mm | −42 mm |
| Seat tube length | 465mm | 460mm | −5 mm |
| Fork length | 370mm | 368mm | −2 mm |
| Head tube length | 125mm | 125mm | ±0 mm |
Differences are the Specialized Allez Sport minus the Specialized Roubaix. Full charts: 2022 Specialized Roubaix, 2021 Specialized Allez Sport.
Where each sits in its class
Specialized RoubaixSpecialized 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 RoubaixRoubaix - Shimano Tiagra | Specialized Allez SportSport |
|---|---|---|
| Fork | Specialized Future Shock 1.5 | Specialized FACT |
| Shifter | Shimano Tiagra | Shimano Sora |
| Derailleur | Shimano Tiagra | Shimano Sora |
| Cassette | Shimano Tiagra | not listed |
| Chain | KMC X10 | KMC X9 |
| Crankset | Praxis Alba | Praxis Alba |
| Pedals | Specialized PROVIDED BY | not listed |
| Wheelset | Specialized AXIS Elite | Specialized Axis Sport |
| Brake | Shimano Tiagra | Specialized Axis 1.0 |
| Handlebar | Specialized Hover | Specialized Shallow Drop |
| Stem | Specialized Future | not listed |
| Seatpost | Specialized S-Works Pave | not listed |
| Saddle | Specialized Power Sport | Specialized Bridge Saddle |
| Frame | not listed | Specialized Allez |
| Chainring | not listed | Praxis Alba |
| Tire | not listed | Specialized Roadsport |
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