2021 Specialized Allez Sprint LTD vs 2020 Specialized Tarmac SL6
The Specialized Tarmac SL6 size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Tarmac SL6
Compared with the Specialized Allez Sprint LTD in 54, the Specialized Tarmac SL6 in 56 places the top of the head tube 28 mm higher and 8 mm further forward, relative to the bottom bracket. Its wheelbase is 11 mm longer, which can contribute to stability at speed.
- Frame stack
- +28 mm
- Higher front end
- Frame reach
- +8 mm
- Longer frame reach
- Wheelbase
- +11 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Allez Sprint LTD, 54Specialized Tarmac SL6, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Allez Sprint LTD 54 | Specialized Tarmac SL6 56 | Difference |
|---|---|---|---|
| Reach | 387mm | 395mm | +8 mm |
| Stack | 537mm | 565mm | +28 mm |
| Head tube angle | 73° | 73.5° | +0.5° |
| Seat tube angle | 74° | 73.5° | −0.5° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 979mm | 990mm | +11 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 765mm | 795mm | +30 mm |
| Seat tube length | 510mm | 501mm | −9 mm |
| Fork length | 366mm | 363mm | −3 mm |
| Head tube length | 133mm | 163mm | +30 mm |
Differences are the Specialized Tarmac SL6 minus the Specialized Allez Sprint LTD. Full charts: 2021 Specialized Allez Sprint LTD, 2020 Specialized Tarmac SL6.
Where each sits in its class
Specialized Allez Sprint LTDSpecialized Tarmac SL6
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 Allez Sprint LTDLTD | Specialized Tarmac SL6S-Works |
|---|---|---|
| Shifter | SRAM Force eTap AXS | not listed |
| Derailleur | SRAM Force eTAP AXS | SRAM RED eTAP AXS |
| Cassette | SRAM Force | SRAM RED XG-1290 |
| Chain | SRAM Force | SRAM Red |
| Crankset | SRAM Force 1 AXS Power Meter | SRAM RED AXS Power Meter |
| Bottom bracket | SRAM DUB | SRAM DUB |
| Wheelset | Roval Rapide CL | Roval CLX 50 |
| Tire | Specialized S-Works Turbo | Specialized Turbo Cotton |
| Brake | SRAM Force | SRAM Red eTap AXS |
| Handlebar | Specialized S-Works Aerofly II | not listed |
| Seatpost | Specialized S-Works Tarmac | not listed |
| Saddle | Specialized Power | Specialized S-Works Power |
| Hub | not listed | Specialized LuHai_RVT66L-K5-B25-AN2-N4-F0 |
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
