2018 Specialized Allez Elite vs 2020 Specialized Roubaix
The 56 is the Specialized Roubaix size closest to your 56 Specialized Allez Elite. 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 Roubaix
Compared with the Specialized Allez Elite in 56, the Specialized Roubaix in 56 places the top of the head tube 9 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +9 mm
- Higher front end
- Frame reach
- −1 mm
- About the same reach
- Wheelbase
- −1 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Allez Elite, 56Specialized Roubaix, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Allez Elite 56 | Specialized Roubaix 56 | Difference |
|---|---|---|---|
| Reach | 385mm | 384 | −1 mm |
| Stack | 596mm | 605 | +9 mm |
| Head tube angle | 73.5° | 73.5 | ±0.0° |
| Seat tube angle | 73.25° | 73.5 | +0.3° |
| Effective top tube | 564mm | not listed | |
| Chainstay length | 415mm | 415mm | ±0 mm |
| Wheelbase | 996mm | 995 | −1 mm |
| BB drop | 76mm | 76 | ±0 mm |
| BB height | 264mm | 266 | +2 mm |
| Standover | 795mm | 783mm | −12 mm |
| Seat tube length | 530mm | 485 | −45 mm |
| Fork length | 375mm | 370 | −5 mm |
| Head tube length | 180mm | 143 | −37 mm |
Differences are the Specialized Roubaix minus the Specialized Allez Elite. Full charts: 2018 Specialized Allez Elite, 2020 Specialized Roubaix.
Where each sits in its class
Specialized Allez EliteSpecialized Roubaix
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 Allez EliteElite | Specialized RoubaixRoubaix |
|---|---|---|
| Shifter | Shimano 105 | Shimano Tiagra |
| Derailleur | Shimano 105 Ez, Shimano 105 | Shimano Tiagra |
| Cassette | Shimano 105 | Shimano Tiagra |
| Chain | KMC X11 EL | KMC X10 |
| Crankset | Praxis Alba 2D | Praxis Alba |
| Wheelset | DT Swiss R460 | Specialized Axis Sport |
| Tire | Specialized Espoir Sport | Specialized Espoir Sport |
| Brake | Tektro Axis | Shimano Tiagra |
| Saddle | Specialized Toupé Sport | Specialized Power Sport |
| Frame | not listed | Specialized FACT 10R |
| Fork | not listed | Specialized Future Shock 1.5 |
| Chainring | not listed | Praxis Alba |
| Handlebar | not listed | Specialized Hover |
| Stem | not listed | Specialized 3D-forged |
| Seatpost | not listed | Specialized S-Works Pave |
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