2019 Specialized Tarmac Women's Disc vs 2021 Specialized Tarmac SL7 Sagan Collection
The Specialized Tarmac SL7 Sagan Collection size closest to your 52 is the 54. Compare the 54 instead
What changes on the Specialized Tarmac SL7 Sagan Collection
Compared with the Specialized Tarmac Women's Disc in 52, the Specialized Tarmac SL7 Sagan Collection in 49 places the top of the head tube 23 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −23 mm
- Lower front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- −2 mm
- About the same
- Head angle
- −0.8°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac Women's Disc, 52Specialized Tarmac SL7 Sagan Collection, 49Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac Women's Disc 52 | Specialized Tarmac SL7 Sagan Collection 49 | Difference |
|---|---|---|---|
| Reach | 380mm | 378mm | −2 mm |
| Stack | 527mm | 504mm | −23 mm |
| Head tube angle | 72.5° | 71.75° | −0.8° |
| Seat tube angle | 74° | 75.5° | +1.5° |
| Effective top tube | 531mm | not listed | |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 975mm | 973mm | −2 mm |
| BB drop | 74mm | 74mm | ±0 mm |
| BB height | 266mm | 266mm | ±0 mm |
| Standover | 755mm | 735mm | −20 mm |
| Seat tube length | 462mm | 447mm | −15 mm |
| Fork length | 363mm | 366mm | +3 mm |
| Head tube length | 126mm | 102mm | −24 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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