2019 Specialized Tarmac Women's Disc Expert 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 Expert. 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 Expert 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 Expert, 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 Expert 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 Expert. Full charts: 2019 Specialized Tarmac Women's Disc Expert, 2021 Specialized Tarmac SL7 Sagan Collection.
Where each sits in its class
Specialized Tarmac Women's Disc ExpertSpecialized 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 Disc ExpertWomen's Disc Expert | Specialized Tarmac SL7 Sagan CollectionS-Works Sagan Collection |
|---|---|---|
| Frame | Specialized Tarmac SL6 | Specialized S-Works Tarmac SL7 FACT |
| Shifter | Shimano Ultegra | SRAM Red eTap AXS |
| Derailleur | Shimano Ultegra R8000, Shimano Ultegra R8000-GS | SRAM RED eTAP AXS |
| Cassette | Shimano Ultegra R8000 | Shimano Dura-Ace R9100 |
| Chain | Shimano Ultegra | SRAM Red |
| Crankset | Shimano Ultegra R8000 | SRAM RED AXS Power Meter |
| Wheelset | Roval C38 | Roval Rapide CLX |
| Tire | Specialized S-Works Turbo | Specialized Turbo Cotton |
| Brake | Shimano Ultegra R8070 | Shimano Dura-Ace R9170 |
| Saddle | Specialized Oura Expert | Specialized S-Works Romin Evo |
| Handlebar | not listed | Specialized S-Works Aerofly II |
| Stem | not listed | Specialized Tarmac |
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