2023 Specialized Tarmac SL7 vs 2025 Specialized Tarmac SL8 LTD
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 SL8 LTD
- 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
- −28 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Tarmac SL7 is drawn. The Specialized Tarmac SL8 LTD numbers we have for size 54 are missing the reach and stack.
Geometry side by side
| Measurement | Specialized Tarmac SL7 58 | Specialized Tarmac SL8 LTD 54 | Difference |
|---|---|---|---|
| Reach | 400mm | not listed | |
| Stack | 599mm | not listed | |
| Head tube angle | 73.5° | 73° | −0.5° |
| Seat tube angle | 73.5° | 74° | +0.5° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 1006mm | 978mm | −28 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 808mm | 768mm | −40 mm |
| Seat tube length | 517mm | 473mm | −44 mm |
| Fork length | 366mm | 370mm | +4 mm |
| Head tube length | 178mm | 137mm | −41 mm |
| Effective top tube | not listed | 541mm |
Differences are the Specialized Tarmac SL8 LTD minus the Specialized Tarmac SL7. Full charts: 2023 Specialized Tarmac SL7, 2025 Specialized Tarmac SL8 LTD.
Where each sits in its class
Specialized Tarmac SL7Specialized Tarmac SL8 LTD
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 Tarmac SL7 | Specialized Tarmac SL8 LTDS-Works LTD |
|---|---|---|
| Frame | not listed | Specialized S-Works Tarmac SL8 FACT |
| Shifter | not listed | SRAM RED AXS |
| Derailleur | not listed | SRAM Red AXS |
| Cassette | not listed | SRAM RED XG-1290 |
| Chain | not listed | SRAM RED |
| Crankset | not listed | SRAM RED AXS Power Meter |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Roval Rapide CLX II |
| Tire | not listed | Specialized S-Works Turbo Rapidair 2Br |
| Brake | not listed | SRAM Red AXS |
| Handlebar | not listed | Roval Rapide Cockpit |
| Stem | not listed | Roval Rapide Cockpit |
| Saddle | not listed | Specialized S-Works Power |
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