2023 Specialized Tarmac SL7 Shimano 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
- +25 mm
- Longer frame reach
- Wheelbase
- +35 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Tarmac SL7 Shimano is drawn. The Specialized Tarmac SL8 LTD numbers we have for size 61 are missing the stack.
Geometry side by side
| Measurement | Specialized Tarmac SL7 Shimano 54 | Specialized Tarmac SL8 LTD 61 | Difference |
|---|---|---|---|
| Reach | 381mm | 406mm | +25 mm |
| Stack | 552mm | not listed | |
| Head tube angle | 73° | 74° | +1.0° |
| Seat tube angle | 74° | 73° | −1.0° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 978mm | 1013mm | +35 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 768mm | 834mm | +66 mm |
| Seat tube length | 475mm | 545mm | +70 mm |
| Fork length | 366mm | 370mm | +4 mm |
| Head tube length | 131mm | 204mm | +73 mm |
| Effective top tube | not listed | 595mm |
Differences are the Specialized Tarmac SL8 LTD minus the Specialized Tarmac SL7 Shimano. Full charts: 2023 Specialized Tarmac SL7 Shimano, 2025 Specialized Tarmac SL8 LTD.
Where each sits in its class
Specialized Tarmac SL7 ShimanoSpecialized 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 ShimanoS-Works - Shimano Dura-Ace Di2 | Specialized Tarmac SL8 LTDS-Works LTD |
|---|---|---|
| Frame | Specialized S-Works Tarmac SL7 FACT | Specialized S-Works Tarmac SL8 FACT |
| Shifter | Shimano Dura-Ace R9270 | SRAM RED AXS |
| Derailleur | Shimano Dura-Ace R9250 | SRAM Red AXS |
| Cassette | Shimano Dura-Ace | SRAM RED XG-1290 |
| Chain | Shimano XTR M9100 | SRAM RED |
| Crankset | Shimano Dura-Ace R9200 | SRAM RED AXS Power Meter |
| Bottom bracket | Shimano Dura-Ace | SRAM DUB |
| Wheelset | Roval Rapide CLX | Roval Rapide CLX II |
| Tire | Specialized S-Works Turbo Rapidair 2Br | Specialized S-Works Turbo Rapidair 2Br |
| Brake | Shimano Dura-Ace | SRAM Red AXS |
| Handlebar | Roval Rapide | Roval Rapide Cockpit |
| Stem | Specialized Tarmac | Roval Rapide Cockpit |
| Saddle | Specialized S-Works Power | Specialized S-Works Power |
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