2021 Specialized Allez Sprint Disc 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 Disc in 54, the Specialized Tarmac SL6 in 61 places the top of the head tube 74 mm higher and 23 mm further forward, relative to the bottom bracket. Its wheelbase is 33 mm longer, which can contribute to stability at speed.
- Frame stack
- +74 mm
- Higher front end
- Frame reach
- +23 mm
- Longer frame reach
- Wheelbase
- +33 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Allez Sprint Disc, 54Specialized Tarmac SL6, 61Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Allez Sprint Disc 54 | Specialized Tarmac SL6 61 | Difference |
|---|---|---|---|
| Reach | 385mm | 408mm | +23 mm |
| Stack | 538mm | 612mm | +74 mm |
| Head tube angle | 73° | 74° | +1.0° |
| Seat tube angle | 74° | 73° | −1.0° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 979mm | 1012mm | +33 mm |
| BB drop | 69mm | 72mm | +3 mm |
| BB height | 271mm | 268mm | −3 mm |
| Standover | 764mm | 850mm | +86 mm |
| Seat tube length | 500mm | 553mm | +53 mm |
| Fork length | 363mm | 363mm | ±0 mm |
| Head tube length | 140mm | 210mm | +70 mm |
Differences are the Specialized Tarmac SL6 minus the Specialized Allez Sprint Disc. Full charts: 2021 Specialized Allez Sprint Disc, 2020 Specialized Tarmac SL6.
Where each sits in its class
Specialized Allez Sprint 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 DiscDisc | Specialized Tarmac SL6S-Works |
|---|---|---|
| Seatpost | Specialized Allez Sprint | not listed |
| Derailleur | not listed | SRAM RED eTAP AXS |
| Cassette | not listed | SRAM RED XG-1290 |
| Chain | not listed | SRAM Red |
| Crankset | not listed | SRAM RED AXS Power Meter |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Roval CLX 50 |
| Tire | not listed | Specialized Turbo Cotton |
| Hub | not listed | Specialized LuHai_RVT66L-K5-B25-AN2-N4-F0 |
| Brake | not listed | SRAM Red eTap AXS |
| Saddle | not listed | Specialized S-Works Power |
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