2020 Specialized Roubaix Comp Shimano 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
- −39 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 Comp Shimano 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 Comp Shimano 58 | Specialized Tarmac SL7 Pro 54 | Difference |
|---|---|---|---|
| Reach | 392mm | not listed | |
| Stack | 630mm | not listed | |
| Head tube angle | 73.5° | 73 | −0.5° |
| Seat tube angle | 73.5° | 74 | +0.5° |
| Chainstay length | 418mm | 410 | −8 mm |
| Wheelbase | 1014mm | 975 | −39 mm |
| BB drop | 74.5mm | 72 | −3 mm |
| BB height | 268mm | 268 | ±0 mm |
| Standover | 805mm | 768mm | −37 mm |
| Seat tube length | 505mm | not listed | |
| Fork length | 370mm | not listed | |
| Head tube length | 170mm | not listed |
Differences are the Specialized Tarmac SL7 Pro minus the Specialized Roubaix Comp Shimano. Full charts: 2020 Specialized Roubaix Comp Shimano, 2021 Specialized Tarmac SL7 Pro.
Where each sits in its class
Specialized Roubaix Comp ShimanoSpecialized 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.
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