2021 Specialized Tarmac SL7 Expert vs 2023 Specialized Allez Sprint D'Aluisio Smartweld Alloy
The Specialized Allez Sprint D'Aluisio Smartweld Alloy size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Allez Sprint D'Aluisio Smartweld Alloy
Compared with the Specialized Tarmac SL7 Expert in 54, the Specialized Allez Sprint D'Aluisio Smartweld Alloy in 58 places the top of the head tube 50 mm higher and 18 mm further forward, relative to the bottom bracket. Its wheelbase is 28 mm longer, which can contribute to stability at speed.
- Frame stack
- +50 mm
- Higher front end
- Frame reach
- +18 mm
- Longer frame reach
- Wheelbase
- +28 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac SL7 Expert, 54Specialized Allez Sprint D'Aluisio Smartweld Alloy, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL7 Expert 54 | Specialized Allez Sprint D'Aluisio Smartweld Alloy 58 | Difference |
|---|---|---|---|
| Reach | 387 | 405mm | +18 mm |
| Stack | 534 | 584mm | +50 mm |
| Head tube angle | 73° | 73.5° | +0.5° |
| Seat tube angle | 74° | 73.5° | −0.5° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 978mm | 1006mm | +28 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 768mm | 815mm | +47 mm |
| Seat tube length | 475mm | 550mm | +75 mm |
| Fork length | 366mm | 366mm | ±0 mm |
| Head tube length | 131mm | 180mm | +49 mm |
Differences are the Specialized Allez Sprint D'Aluisio Smartweld Alloy minus the Specialized Tarmac SL7 Expert. Full charts: 2021 Specialized Tarmac SL7 Expert, 2023 Specialized Allez Sprint D'Aluisio Smartweld Alloy.
Where each sits in its class
Specialized Tarmac SL7 ExpertSpecialized Allez Sprint D'Aluisio Smartweld Alloy
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 ExpertExpert | Specialized Allez Sprint D'Aluisio Smartweld AlloyD'Aluisio Smartweld Alloy |
|---|---|---|
| Frame | Specialized Tarmac SL7 FACT | not listed |
| Fork | Specialized Tarmac Comp | 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 | DT Swiss R470 | not listed |
| Tire | Specialized S-Works Turbo | not listed |
| Brake | Shimano Ultegra | not listed |
| Seatpost | Specialized S-Works Tarmac | Specialized S-Works Tarmac |
| Saddle | Specialized Power Expert | not listed |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
