2019 Specialized Roubaix Expert 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
- −36 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −8 mm
- Shorter: livelier
The two frames
Only the Specialized Roubaix Expert is drawn. The Specialized Tarmac SL7 Pro numbers we have for size 54 are missing the reach and stack.
Geometry side by side
| Measurement | Specialized Roubaix Expert 58 | Specialized Tarmac SL7 Pro 54 | Difference |
|---|---|---|---|
| Reach | 386mm | not listed | |
| Stack | 644mm | not listed | |
| Head tube angle | 73.5° | 73 | −0.5° |
| Seat tube angle | 73.5° | 74 | +0.5° |
| Effective top tube | 576.3mm | not listed | |
| Chainstay length | 418mm | 410 | −8 mm |
| Wheelbase | 1011mm | 975 | −36 mm |
| BB drop | 74.5mm | 72 | −3 mm |
| Standover | 813mm | 768mm | −45 mm |
| Seat tube length | 522mm | not listed | |
| Head tube length | 185mm | not listed | |
| BB height | not listed | 268 |
Differences are the Specialized Tarmac SL7 Pro minus the Specialized Roubaix Expert. Full charts: 2019 Specialized Roubaix Expert, 2021 Specialized Tarmac SL7 Pro.
Where each sits in its class
Specialized Roubaix ExpertSpecialized 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 Roubaix ExpertExpert | Specialized Tarmac SL7 Pro |
|---|---|---|
| Shifter | Shimano Ultegra Di2 | not listed |
| Derailleur | Shimano Ultegra R8050 Di2 | not listed |
| Cassette | Shimano Ultegra | not listed |
| Chain | Shimano Ultegra | not listed |
| Crankset | Shimano Ultegra R8000 | not listed |
| Bottom bracket | Shimano Ultegra | not listed |
| Wheelset | Roval C38 | not listed |
| Tire | Specialized Turbo Pro | not listed |
| Brake | Shimano Ultegra | not listed |
| Handlebar | Specialized Expert Hover | not listed |
| Seatpost | Specialized S-Works CG-R | not listed |
| Saddle | Specialized Phenom Expert | not listed |
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