2023 Trek Speed Concept SLR 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
- −20 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Speed Concept SLR numbers we have for size M are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Speed Concept SLR M | Specialized Tarmac SL7 Pro 52 | Difference |
|---|---|---|---|
| Reach | 416 | not listed | |
| Stack | 517 | not listed | |
| Head tube angle | 72.5° | 72.5 | ±0.0° |
| Effective top tube | 518 | not listed | |
| Chainstay length | 410 | 410 | ±0 mm |
| Wheelbase | 995 | 975 | −20 mm |
| BB drop | 80 | 74 | −6 mm |
| Standover | 785 | not listed | |
| Seat tube length | 525 | not listed | |
| Head tube length | 90 | not listed | |
| Seat tube angle | not listed | 74 | |
| BB height | not listed | 266 |
Differences are the Specialized Tarmac SL7 Pro minus the Trek Speed Concept SLR. Full charts: 2023 Trek Speed Concept SLR, 2021 Specialized Tarmac SL7 Pro.
Where each sits in its class
Trek Speed Concept SLRSpecialized 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 | Trek Speed Concept SLRSLR 7 | Specialized Tarmac SL7 Pro |
|---|---|---|
| Frame | Trek OCLV | not listed |
| Fork | Trek SC | not listed |
| Derailleur | Shimano Ultegra Di2 | not listed |
| Wheelset | Bontrager Aeolus Pro 51 | not listed |
| Tire | Bontrager R3 | not listed |
| Brake | Shimano Dura-Ace | not listed |
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