2018 Trek Émonda ALR vs 2019 Cervélo R5 Disc Base
The 56 is the Cervélo R5 Disc 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 R5 Disc Base
Compared with the Trek Émonda ALR in 56, the Cervélo R5 Disc Base in 56 places the top of the head tube 5 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 10 mm longer, which can contribute to stability at speed.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- +10 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
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 R5 Disc Base 56 | Difference |
|---|---|---|---|
| Reach | 387 | 389 | +2 mm |
| Stack | 577 | 572 | −5 mm |
| Head tube angle | 73.5° | 73 | −0.5° |
| Effective top tube | 560 | 564 | +4 mm |
| Chainstay length | 410 | 410 | ±0 mm |
| Wheelbase | 983 | 993 | +10 mm |
| BB drop | 70 | 72 | +2 mm |
| Standover | 767 | 815 | +48 mm |
| Seat tube length | 513 | not listed | |
| Head tube length | 170 | 151 | −19 mm |
| Seat tube angle | not listed | 73 |
Differences are the Cervélo R5 Disc Base minus the Trek Émonda ALR. Full charts: 2018 Trek Émonda ALR, 2019 Cervélo R5 Disc Base.
Where each sits in its class
Trek Émonda ALRCervélo R5 Disc 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 R5 Disc BaseBase |
|---|---|---|
| Frame | Trek Ultralight 300 | Cervélo R5 |
| Shifter | Shimano Tiagra | Shimano Ultegra R8070 Di2 |
| Derailleur | Shimano Tiagra | Shimano Ultegra R8050 GS |
| Cassette | Shimano Tiagra | Shimano HG701 Ultegra |
| Chain | Shimano Tiagra | Shimano HG701 |
| Crankset | Shimano Tiagra | Shimano Ultegra R8000 |
| Bottom bracket | Trek BB86.5 | Cervélo BBright |
| Tire | Bontrager R1 Hard-Case Lite | Continental GP4000 S II |
| Brake | Shimano Tiagra | Shimano Ultegra R8070 |
| Handlebar | Bontrager VR-C | Cervélo AB06 |
| Saddle | Bontrager Montrose | Prologo Zero 2 STN |
| Fork | not listed | Cervélo R5 Carbon Disc |
| Chainring | not listed | Shimano Ultegra R8000 |
| Wheelset | not listed | DT Swiss PRC 1450 Spline 35 |
| Rotor | not listed | Shimano SM-RT800 |
| Stem | not listed | Cervélo Carbon Stem |
| Headset | not listed | FSA IS2 |
| Seatpost | not listed | Cervélo R5 SP-18 |
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