2018 Trek Émonda ALR vs 2020 Cervélo S3 Base
The 56 is the Cervélo S3 Base size closest to your 56 Trek Émonda ALR. 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 Cervélo S3 Base
Compared with the Trek Émonda ALR in 56, the Cervélo S3 Base in 56 places the top of the head tube 3 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- −1 mm
- About the same reach
- Wheelbase
- −2 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Émonda ALR numbers we have for size 56 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Émonda ALR 56 | Cervélo S3 Base 56 | Difference |
|---|---|---|---|
| Reach | 387 | 386 | −1 mm |
| Stack | 577 | 580 | +3 mm |
| Head tube angle | 73.5° | 73.5 | ±0.0° |
| Effective top tube | 560 | 563 | +3 mm |
| Chainstay length | 410 | 405 | −5 mm |
| Wheelbase | 983 | 980.8 | −2 mm |
| BB drop | 70 | 70 | ±0 mm |
| Standover | 767 | 801.3 | +34 mm |
| Seat tube length | 513 | not listed | |
| Head tube length | 170 | 170.6 | +1 mm |
| Seat tube angle | not listed | 73 |
Differences are the Cervélo S3 Base minus the Trek Émonda ALR. Full charts: 2018 Trek Émonda ALR, 2020 Cervélo S3 Base.
Where each sits in its class
Trek Émonda ALRCervélo S3 Base
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 | Trek Émonda ALRALR 4 | Cervélo S3 BaseBase |
|---|---|---|
| Frame | Trek Ultralight 300 | Cervélo S3 |
| Shifter | Shimano Tiagra | Shimano Ultegra |
| Derailleur | Shimano Tiagra | Shimano Ultegra mechanical |
| Cassette | Shimano Tiagra | Shimano Ultegra |
| Chain | Shimano Tiagra | Shimano HG-X11 Ultegra |
| Crankset | Shimano Tiagra | Shimano Ultegra |
| Bottom bracket | Trek BB86.5 | not listed |
| Tire | Bontrager R1 Hard-Case Lite | Continental Grand Prix |
| Brake | Shimano Tiagra | Shimano Ultegra |
| Handlebar | Bontrager VR-C | Cervélo AB09 |
| Saddle | Bontrager Montrose | Prologo Dimension |
| Fork | not listed | Cervélo S3 carbon |
| Chainring | not listed | Shimano Ultegra |
| Wheelset | not listed | DT Swiss P1800 Spline |
| Rotor | not listed | Shimano Ultegra |
| Stem | not listed | Cervélo ST29 |
| Headset | not listed | FSA integrated |
| Seatpost | not listed | Cervélo SP20 |
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