2020 Trek Émonda ALR Disc vs 2020 Cervélo S3 Base
The 51 is the Cervélo S3 Base size closest to your 47 Trek Émonda ALR Disc. 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 Disc in 47, the Cervélo S3 Base in 51 places the top of the head tube 8 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 3 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +8 mm
- Higher front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −3 mm
- Shorter: quicker to change direction
- Head angle
- +0.8°
- Steeper: sharper steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Émonda ALR Disc numbers we have for size 47 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Émonda ALR Disc 47 | Cervélo S3 Base 51 | Difference |
|---|---|---|---|
| Reach | 369 | 369 | ±0 mm |
| Stack | 522 | 530 | +8 mm |
| Head tube angle | 71.2° | 72 | +0.8° |
| Effective top tube | 513 | not listed | |
| Chainstay length | 410 | 405 | −5 mm |
| Wheelbase | 974 | 970.8 | −3 mm |
| BB drop | 72 | 72.5 | +1 mm |
| Standover | 698 | 742.1 | +44 mm |
| Seat tube length | 424 | not listed | |
| Head tube length | 115 | 123.9 | +9 mm |
| Seat tube angle | not listed | 73 |
Differences are the Cervélo S3 Base minus the Trek Émonda ALR Disc. Full charts: 2020 Trek Émonda ALR Disc, 2020 Cervélo S3 Base.
Where each sits in its class
Trek Émonda ALR DiscCervélo 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 ALR DiscALR 4 Disc | Cervélo S3 BaseBase |
|---|---|---|
| Frame | Trek Ultralight 300 | Cervélo S3 |
| Fork | Trek Émonda SL | Cervélo S3 carbon |
| Shifter | Shimano Tiagra R4720 | Shimano Ultegra |
| Derailleur | Shimano Tiagra 4700 | Shimano Ultegra mechanical |
| Cassette | Shimano Tiagra HG-500 | Shimano Ultegra |
| Chain | Shimano Tiagra HG54 | Shimano HG-X11 Ultegra |
| Crankset | Shimano Tiagra 4700 | Shimano Ultegra |
| Bottom bracket | Shimano BB71 | not listed |
| Tire | Bontrager R1 Hard-Case Lite | Continental Grand Prix |
| Rim | Bontrager Affinity | not listed |
| Brake | Shimano Tiagra R4770 | Shimano Ultegra |
| Handlebar | Bontrager Comp VR-C | Cervélo AB09 |
| Seatpost | Bontrager Approved | Cervélo SP20 |
| Saddle | Bontrager Montrose | Prologo Dimension |
| 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 |
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