2020 Specialized Tarmac SL6 Disc 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
- −3 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Tarmac SL6 Disc 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 Tarmac SL6 Disc Expert 54 | Specialized Tarmac SL7 Pro 54 | Difference |
|---|---|---|---|
| Reach | 384mm | not listed | |
| Stack | 544mm | not listed | |
| Head tube angle | 73° | 73 | ±0.0° |
| Seat tube angle | 74° | 74 | ±0.0° |
| Chainstay length | 410mm | 410 | ±0 mm |
| Wheelbase | 978mm | 975 | −3 mm |
| BB drop | 72mm | 72 | ±0 mm |
| BB height | 268mm | 268 | ±0 mm |
| Standover | 775mm | 768mm | −7 mm |
| Seat tube length | 481mm | not listed | |
| Fork length | 363mm | not listed | |
| Head tube length | 143mm | not listed |
Differences are the Specialized Tarmac SL7 Pro minus the Specialized Tarmac SL6 Disc Expert. Full charts: 2020 Specialized Tarmac SL6 Disc Expert, 2021 Specialized Tarmac SL7 Pro.
Where each sits in its class
Specialized Tarmac SL6 Disc ExpertSpecialized Tarmac SL7 Pro
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 Tarmac SL6 Disc ExpertDisc Expert | Specialized Tarmac SL7 Pro |
|---|---|---|
| Frame | Specialized Tarmac SL6 | not listed |
| Shifter | Shimano Ultegra Di2 | not listed |
| Derailleur | Shimano Ultegra R8050 Di2 | not listed |
| Cassette | Shimano Ultegra R8000 | not listed |
| Chain | Shimano Ultegra | not listed |
| Crankset | Shimano Ultegra R8000 | not listed |
| Wheelset | Roval C38 | not listed |
| Tire | Specialized S-Works Turbo | not listed |
| Brake | Shimano 105 | not listed |
| Saddle | Specialized Power Expert | not listed |
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