2021 Specialized Allez Sprint Comp vs 2020 Specialized Tarmac SL6
The 52 is the Specialized Tarmac SL6 size closest to your 52 Specialized Allez Sprint Comp. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Tarmac SL6
Compared with the Specialized Allez Sprint Comp in 52, the Specialized Tarmac SL6 in 52 places the top of the head tube 7 mm higher and 3 mm further back, relative to the bottom bracket.
- Frame stack
- +7 mm
- Higher front end
- Frame reach
- −3 mm
- Shorter frame reach
- Wheelbase
- −1 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Allez Sprint Comp, 52Specialized Tarmac SL6, 52Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Allez Sprint Comp 52 | Specialized Tarmac SL6 52 | Difference |
|---|---|---|---|
| Reach | 383mm | 380mm | −3 mm |
| Stack | 520mm | 527mm | +7 mm |
| Head tube angle | 72.5° | 72.5° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 976mm | 975mm | −1 mm |
| BB drop | 74mm | 74mm | ±0 mm |
| BB height | 266mm | 266mm | ±0 mm |
| Standover | 755mm | 755mm | ±0 mm |
| Seat tube length | 495mm | 462mm | −33 mm |
| Fork length | 366mm | 363mm | −3 mm |
| Head tube length | 115mm | 126mm | +11 mm |
Differences are the Specialized Tarmac SL6 minus the Specialized Allez Sprint Comp. Full charts: 2021 Specialized Allez Sprint Comp, 2020 Specialized Tarmac SL6.
Where each sits in its class
Specialized Allez Sprint CompSpecialized 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 CompComp | Specialized Tarmac SL6S-Works |
|---|---|---|
| Shifter | Shimano 105 R7020 | not listed |
| Derailleur | Shimano 105 R7000, Shimano 105 R7000 GS | SRAM RED eTAP AXS |
| Cassette | Shimano 105 | SRAM RED XG-1290 |
| Chain | KMC X11 Extra | SRAM Red |
| Crankset | Shimano 105 R7000 | SRAM RED AXS Power Meter |
| Wheelset | DT Swiss R470 | Roval CLX 50 |
| Tire | Specialized Turbo Pro | Specialized Turbo Cotton |
| Brake | Shimano 105 | SRAM Red eTap AXS |
| Seatpost | Specialized S-Works Tarmac | not listed |
| Saddle | Specialized Power Sport | Specialized S-Works Power |
| Bottom bracket | not listed | SRAM DUB |
| 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
