2019 Specialized Tarmac Men's Disc Sagan Collection LTD vs 2021 Trek Émonda SLR
The 47 is the Trek Émonda SLR size closest to your 49 Specialized Tarmac Men's Disc Sagan Collection LTD. 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 Trek Émonda SLR
Compared with the Specialized Tarmac Men's Disc Sagan Collection LTD in 49, the Trek Émonda SLR in 47 places the top of the head tube 7 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −7 mm
- Lower front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- −1 mm
- About the same
- Head angle
- +0.3°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Tarmac Men's Disc Sagan Collection LTD is drawn. The Trek Émonda SLR numbers we have for size 47 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Tarmac Men's Disc Sagan Collection LTD 49 | Trek Émonda SLR 47 | Difference |
|---|---|---|---|
| Reach | 375mm | 373 | −2 mm |
| Stack | 514mm | 507 | −7 mm |
| Head tube angle | 71.75° | 72.1° | +0.3° |
| Seat tube angle | 75.5° | not listed | |
| Effective top tube | 508mm | 512 | +4 mm |
| Chainstay length | 410mm | 410 | ±0 mm |
| Wheelbase | 973mm | 972 | −1 mm |
| BB drop | 74mm | 72 | −2 mm |
| BB height | 266mm | not listed | |
| Standover | 740mm | 692 | −48 mm |
| Seat tube length | 431mm | 424 | −7 mm |
| Fork length | 363mm | not listed | |
| Head tube length | 115mm | 100 | −15 mm |
Differences are the Trek Émonda SLR minus the Specialized Tarmac Men's Disc Sagan Collection LTD. Full charts: 2019 Specialized Tarmac Men's Disc Sagan Collection LTD, 2021 Trek Émonda SLR.
Where each sits in its class
Specialized Tarmac Men's Disc Sagan Collection LTDTrek Émonda SLR
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 Men's Disc Sagan Collection LTDMen's S-Works Disc Sagan Collection LTD | Trek Émonda SLRSLR 6 |
|---|---|---|
| Shifter | Shimano Dura-Ace Di2 | Shimano Ultegra R8020 |
| Derailleur | Shimano Dura-Ace R9150 Di2 | Shimano Ultegra R8000 |
| Cassette | Shimano Dura-Ace R9100 | Shimano Ultegra R8000 |
| Chain | Shimano Dura-Ace | Shimano Ultegra HG701 |
| Crankset | Specialized S-Works Power | Shimano Ultegra R8000 |
| Wheelset | Roval CLX 50 | Bontrager Aeolus Pro 37 |
| Tire | Specialized Turbo Cotton | Bontrager R3 Hard-Case Lite |
| Brake | Shimano Dura-Ace R9170 | Shimano Ultegra |
| Saddle | Specialized S-Works Toupe | Bontrager Aeolus Elite |
| Frame | not listed | Trek Ultralight 800 |
| Fork | not listed | Trek Emonda SLR |
| Handlebar | not listed | Bontrager Aeolus RSL |
| Seatpost | not listed | Bontrager Seatmast Cap |
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