2020 Cervélo S3 Base vs 2019 Cervélo R5 Disc Base
The 54 is the Cervélo R5 Disc Base size closest to your 54 Cervélo S3 Base. 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 Cervélo S3 Base in 54, the Cervélo R5 Disc Base in 54 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
- +3 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Cervélo S3 Base, 54Cervélo R5 Disc Base, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cervélo S3 Base 54 | Cervélo R5 Disc Base 54 | Difference |
|---|---|---|---|
| Reach | 378 | 380 | +2 mm |
| Stack | 555 | 548 | −7 mm |
| Head tube angle | 73 | 73 | ±0.0° |
| Seat tube angle | 73 | 73 | ±0.0° |
| Effective top tube | not listed | 548 | |
| Chainstay length | 405 | 410 | +5 mm |
| Wheelbase | 973.3 | 976 | +3 mm |
| BB drop | 70 | 72 | +2 mm |
| Standover | 771.5 | 753 | −19 mm |
| Head tube length | 147.2 | 125 | −22 mm |
Differences are the Cervélo R5 Disc Base minus the Cervélo S3 Base. Full charts: 2020 Cervélo S3 Base, 2019 Cervélo R5 Disc Base.
Where each sits in its class
Cervélo S3 BaseCervélo 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 | Cervélo S3 BaseBase | Cervélo R5 Disc BaseBase |
|---|---|---|
| Frame | Cervélo S3 | Cervélo R5 |
| Fork | Cervélo S3 carbon | Cervélo R5 Carbon Disc |
| Shifter | Shimano Ultegra | Shimano Ultegra R8070 Di2 |
| Derailleur | Shimano Ultegra mechanical | Shimano Ultegra R8050 GS |
| Cassette | Shimano Ultegra | Shimano HG701 Ultegra |
| Chain | Shimano HG-X11 Ultegra | Shimano HG701 |
| Crankset | Shimano Ultegra | Shimano Ultegra R8000 |
| Chainring | Shimano Ultegra | Shimano Ultegra R8000 |
| Wheelset | DT Swiss P1800 Spline | DT Swiss PRC 1450 Spline 35 |
| Tire | Continental Grand Prix | Continental GP4000 S II |
| Brake | Shimano Ultegra | Shimano Ultegra R8070 |
| Rotor | Shimano Ultegra | Shimano SM-RT800 |
| Handlebar | Cervélo AB09 | Cervélo AB06 |
| Stem | Cervélo ST29 | Cervélo Carbon Stem |
| Headset | FSA integrated | FSA IS2 |
| Seatpost | Cervélo SP20 | Cervélo R5 SP-18 |
| Saddle | Prologo Dimension | Prologo Zero 2 STN |
| Bottom bracket | not listed | Cervélo BBright |
Know what is on every bike.
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