2021 Trek Madone SL vs 2023 Specialized Tarmac SL7
The 56 is the Specialized Tarmac SL7 size closest to your 58 Trek Madone SL. 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 Tarmac SL7
Compared with the Trek Madone SL in 58, the Specialized Tarmac SL7 in 56 places the top of the head tube 8 mm lower and 3 mm further back, relative to the bottom bracket.
- Frame stack
- −8 mm
- Lower front end
- Frame reach
- −3 mm
- Shorter frame reach
- Wheelbase
- −1 mm
- About the same
- Head angle
- −0.3°
- About the same head angle
- Chainstays
- −1 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Madone SL numbers we have for size 58 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Madone SL 58 | Specialized Tarmac SL7 56 | Difference |
|---|---|---|---|
| Reach | 396 | 393mm | −3 mm |
| Stack | 581 | 573mm | −8 mm |
| Head tube angle | 73.8° | 73.5° | −0.3° |
| Effective top tube | 574 | not listed | |
| Chainstay length | 411 | 410mm | −1 mm |
| Wheelbase | 992 | 991mm | −1 mm |
| BB drop | 68 | 72mm | +4 mm |
| Standover | 793 | 786mm | −7 mm |
| Seat tube length | 553 | 496mm | −57 mm |
| Head tube length | 171 | 151mm | −20 mm |
| Seat tube angle | not listed | 73.5° | |
| BB height | not listed | 268mm | |
| Fork length | not listed | 366mm |
Differences are the Specialized Tarmac SL7 minus the Trek Madone SL. Full charts: 2021 Trek Madone SL, 2023 Specialized Tarmac SL7.
Where each sits in its class
Trek Madone SLSpecialized Tarmac SL7
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 Madone SLSL 6 | Specialized Tarmac SL7 |
|---|---|---|
| Frame | Trek OCLV | not listed |
| Fork | Trek Madone KVF | not listed |
| Shifter | Shimano Ultegra R8020 | not listed |
| Derailleur | Shimano Ultegra R8000 | not listed |
| Cassette | Shimano Ultegra R8000 | not listed |
| Chain | Shimano Ultegra HG701 | not listed |
| Crankset | Shimano Ultegra R8000 | not listed |
| Bottom bracket | Trek BB90 | not listed |
| Wheelset | Bontrager Aeolus Comp | not listed |
| Tire | Bontrager R3 Hard-Case Lite | not listed |
| Brake | Shimano Ultegra | not listed |
| Rotor | Shimano RT800 | not listed |
| Handlebar | Bontrager Elite Aero VR-CF | not listed |
| Stem | Bontrager Pro | not listed |
| Seatpost | Trek Madone | not listed |
| Saddle | Bontrager Aeolus | not listed |
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