2021 Specialized Allez Sprint Comp Disc vs 2020 Specialized Tarmac SL6
The 54 is the Specialized Tarmac SL6 size closest to your 54 Specialized Allez Sprint Comp Disc. 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 Disc in 54, the Specialized Tarmac SL6 in 54 places the top of the head tube 6 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- −1 mm
- About the same 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 Disc, 54Specialized Tarmac SL6, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Allez Sprint Comp Disc 54 | Specialized Tarmac SL6 54 | Difference |
|---|---|---|---|
| Reach | 385mm | 384mm | −1 mm |
| Stack | 538mm | 544mm | +6 mm |
| Head tube angle | 73° | 73° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 979mm | 978mm | −1 mm |
| BB drop | 69mm | 72mm | +3 mm |
| BB height | 271mm | 268mm | −3 mm |
| Standover | 764mm | 775mm | +11 mm |
| Seat tube length | 500mm | 481mm | −19 mm |
| Fork length | 363mm | 363mm | ±0 mm |
| Head tube length | 140mm | 143mm | +3 mm |
Differences are the Specialized Tarmac SL6 minus the Specialized Allez Sprint Comp Disc. Full charts: 2021 Specialized Allez Sprint Comp Disc, 2020 Specialized Tarmac SL6.
Where each sits in its class
Specialized Allez Sprint Comp DiscSpecialized 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 Comp DiscComp Disc | 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 | Praxis Alba | SRAM RED AXS Power Meter |
| Bottom bracket | Praxis 6806 | SRAM DUB |
| Wheelset | DT Swiss R470 | Roval CLX 50 |
| Tire | Specialized Turbo Pro | Specialized Turbo Cotton |
| Brake | Shimano 105 | SRAM Red eTap AXS |
| Seatpost | Specialized Allez Sprint | not listed |
| Saddle | Specialized Power Sport | Specialized S-Works Power |
| Hub | not listed | Specialized LuHai_RVT66L-K5-B25-AN2-N4-F0 |
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