2024 Specialized Tarmac SL8 Pro vs 2024 Trek Émonda SLR H2
The 47 is the Trek Émonda SLR H2 size closest to your 44 Specialized Tarmac SL8 Pro. 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 H2
Compared with the Specialized Tarmac SL8 Pro in 44, the Trek Émonda SLR H2 in 47 places the top of the head tube 13 mm higher and 6 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- +13 mm
- Higher front end
- Frame reach
- +6 mm
- Longer frame reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- +0.7°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Tarmac SL8 Pro is drawn. The Trek Émonda SLR H2 numbers we have for size 47 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Tarmac SL8 Pro 44 | Trek Émonda SLR H2 47 | Difference |
|---|---|---|---|
| Reach | 363mm | 369 | +6 mm |
| Stack | 509mm | 522 | +13 mm |
| Head tube angle | 70.5° | 71.2° | +0.7° |
| Seat tube angle | 75.5° | not listed | |
| Chainstay length | 410mm | 410 | ±0 mm |
| Wheelbase | 970mm | 974 | +4 mm |
| BB drop | 74mm | 72 | −2 mm |
| BB height | 266mm | not listed | |
| Standover | 723mm | 698 | −25 mm |
| Seat tube length | 433mm | 444 | +11 mm |
| Fork length | 370mm | not listed | |
| Head tube length | 99mm | 115 | +16 mm |
| Effective top tube | not listed | 513 |
Differences are the Trek Émonda SLR H2 minus the Specialized Tarmac SL8 Pro. Full charts: 2024 Specialized Tarmac SL8 Pro, 2024 Trek Émonda SLR H2.
Where each sits in its class
Specialized Tarmac SL8 ProTrek Émonda SLR H2
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 SL8 Pro | Trek Émonda SLR H2SLR H2 |
|---|---|---|
| Frame | not listed | Trek Ultralight 700 |
| Fork | not listed | Trek Emonda SLR |
| Headset | not listed | Bontrager Expander Plug |
| Seatpost | not listed | Trek Not |
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