2021 Specialized Tarmac SL7 Sagan Collection vs 2019 Specialized Tarmac Women's Disc
The 56 is the Specialized Tarmac Women's Disc size closest to your 58 Specialized Tarmac SL7 Sagan Collection. 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 Women's Disc
Compared with the Specialized Tarmac SL7 Sagan Collection in 58, the Specialized Tarmac Women's Disc in 56 places the top of the head tube 16 mm lower and 10 mm further back, relative to the bottom bracket. Its wheelbase is 16 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −16 mm
- Lower front end
- Frame reach
- −10 mm
- Shorter frame reach
- Wheelbase
- −16 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac SL7 Sagan Collection, 58Specialized Tarmac Women's Disc, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL7 Sagan Collection 58 | Specialized Tarmac Women's Disc 56 | Difference |
|---|---|---|---|
| Reach | 405mm | 395mm | −10 mm |
| Stack | 581mm | 565mm | −16 mm |
| Head tube angle | 73.5° | 73.5° | ±0.0° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 1006mm | 990mm | −16 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 808mm | 795mm | −13 mm |
| Seat tube length | 517mm | 501mm | −16 mm |
| Fork length | 366mm | 363mm | −3 mm |
| Head tube length | 178mm | 163mm | −15 mm |
| Effective top tube | not listed | 562mm |
Differences are the Specialized Tarmac Women's Disc minus the Specialized Tarmac SL7 Sagan Collection. Full charts: 2021 Specialized Tarmac SL7 Sagan Collection, 2019 Specialized Tarmac Women's Disc.
Where each sits in its class
Specialized Tarmac SL7 Sagan CollectionSpecialized Tarmac Women's Disc
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 SL7 Sagan CollectionS-Works Sagan Collection | Specialized Tarmac Women's DiscWomen's S-Works Disc |
|---|---|---|
| Frame | Specialized S-Works Tarmac SL7 FACT | not listed |
| Shifter | SRAM Red eTap AXS | Shimano Dura-Ace Di2 |
| Derailleur | SRAM RED eTAP AXS | Shimano Dura-Ace R9150 Di2 |
| Cassette | Shimano Dura-Ace R9100 | Shimano Dura-Ace R9100 |
| Chain | SRAM Red | Shimano Dura-Ace |
| Crankset | SRAM RED AXS Power Meter | Specialized S-Works Power |
| Wheelset | Roval Rapide CLX | Roval CLX 50 |
| Tire | Specialized Turbo Cotton | Specialized Turbo Cotton |
| Brake | Shimano Dura-Ace R9170 | Shimano Dura-Ace R9170 |
| Handlebar | Specialized S-Works Aerofly II | not listed |
| Stem | Specialized Tarmac | not listed |
| Saddle | Specialized S-Works Romin Evo | Specialized Oura Pro |
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