2019 Specialized Tarmac Women's Disc vs 2021 Specialized Tarmac SL7 Sagan Collection
The 54 is the Specialized Tarmac SL7 Sagan Collection size closest to your 54 Specialized Tarmac Women's 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 SL7 Sagan Collection
Compared with the Specialized Tarmac Women's Disc in 54, the Specialized Tarmac SL7 Sagan Collection in 54 places the top of the head tube 10 mm lower and 3 mm further forward, relative to the bottom bracket.
- Frame stack
- −10 mm
- Lower front end
- Frame reach
- +3 mm
- Longer frame reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac Women's Disc, 54Specialized Tarmac SL7 Sagan Collection, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac Women's Disc 54 | Specialized Tarmac SL7 Sagan Collection 54 | Difference |
|---|---|---|---|
| Reach | 384mm | 387mm | +3 mm |
| Stack | 544mm | 534mm | −10 mm |
| Head tube angle | 73° | 73° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Effective top tube | 540mm | not listed | |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 978mm | 978mm | ±0 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 775mm | 768mm | −7 mm |
| Seat tube length | 481mm | 475mm | −6 mm |
| Fork length | 363mm | 366mm | +3 mm |
| Head tube length | 143mm | 131mm | −12 mm |
Differences are the Specialized Tarmac SL7 Sagan Collection minus the Specialized Tarmac Women's Disc. Full charts: 2019 Specialized Tarmac Women's Disc, 2021 Specialized Tarmac SL7 Sagan Collection.
Where each sits in its class
Specialized Tarmac Women's DiscSpecialized Tarmac SL7 Sagan Collection
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 Women's DiscWomen's S-Works Disc | Specialized Tarmac SL7 Sagan CollectionS-Works Sagan Collection |
|---|---|---|
| Shifter | Shimano Dura-Ace Di2 | SRAM Red eTap AXS |
| Derailleur | Shimano Dura-Ace R9150 Di2 | SRAM RED eTAP AXS |
| Cassette | Shimano Dura-Ace R9100 | Shimano Dura-Ace R9100 |
| Chain | Shimano Dura-Ace | SRAM Red |
| Crankset | Specialized S-Works Power | SRAM RED AXS Power Meter |
| Wheelset | Roval CLX 50 | Roval Rapide CLX |
| Tire | Specialized Turbo Cotton | Specialized Turbo Cotton |
| Brake | Shimano Dura-Ace R9170 | Shimano Dura-Ace R9170 |
| Saddle | Specialized Oura Pro | Specialized S-Works Romin Evo |
| Frame | not listed | Specialized S-Works Tarmac SL7 FACT |
| Handlebar | not listed | Specialized S-Works Aerofly II |
| Stem | not listed | Specialized Tarmac |
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