2019 Specialized Roubaix vs 2021 Specialized Tarmac SL7 Pro
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 Tarmac SL7 Pro
- 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
- −14 mm
- Shorter: quicker to change direction
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Only the Specialized Roubaix is drawn. The Specialized Tarmac SL7 Pro numbers we have for size 49 are missing the reach and stack.
Geometry side by side
| Measurement | Specialized Roubaix 54 | Specialized Tarmac SL7 Pro 49 | Difference |
|---|---|---|---|
| Reach | 375 | not listed | |
| Stack | 585 | not listed | |
| Head tube angle | 72.75 | 71.75 | −1.0° |
| Seat tube angle | 74 | 75.5 | +1.5° |
| Effective top tube | 545mm | not listed | |
| Chainstay length | 415 | 410 | −5 mm |
| Wheelbase | 987 | 973 | −14 mm |
| BB drop | 76 | 74 | −2 mm |
| Standover | 762 | not listed | |
| Seat tube length | 481 | not listed | |
| Head tube length | 125 | not listed | |
| BB height | not listed | 266 |
Differences are the Specialized Tarmac SL7 Pro minus the Specialized Roubaix. Full charts: 2019 Specialized Roubaix, 2021 Specialized Tarmac SL7 Pro.
Where each sits in its class
Specialized RoubaixSpecialized Tarmac SL7 Pro
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 | Specialized Tarmac SL7 Pro |
|---|---|---|
| Frame | Specialized FACT 9r | not listed |
| Shifter | Shimano Tiagra | not listed |
| Derailleur | Shimano Tiagra, Shimano Tiagra GS | not listed |
| Cassette | Shimano Tiagra | not listed |
| Chain | KMC X-10 | not listed |
| Crankset | Shimano Tiagra 4700 | not listed |
| Chainring | Shimano 50T, Shimano 34T | not listed |
| Bottom bracket | Shimano Tiagra | not listed |
| Wheelset | Specialized Axis Sport | not listed |
| Tire | Specialized Espoir Sport | not listed |
| Brake | Tektro Spyre | not listed |
| Rotor | Tektro Spyre | not listed |
| Handlebar | Specialized Comp Hover | not listed |
| Stem | Specialized 3D-forged alloy | not listed |
| Seatpost | Specialized Alloy | not listed |
| Saddle | Specialized Toupé Sport | not listed |
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