Which size or configuration labels have geometry for the 2020 Cervélo S3 Base?

Geometry is listed for 48, 51, 54, 56, 58, and 61.

What are the reach and stack of the 2020 Cervélo S3 Base in size 56?

In size 56, reach is 386 mm and stack is 580 mm.

What is the head tube angle of the 2020 Cervélo S3 Base?

The head tube angle is 73.5 degrees in size 56.

What does the 2020 Cervélo S3 Base ship with?

The stock build includes Cervélo S3, Cervélo S3 carbon, Shimano Ultegra, and DT Swiss P1800 Spline.

Which years of the Cervélo S3 are on Quiver?

Quiver has the Cervélo S3 for 2020, 2019, 2018, 2017, 2014, and 2010.

2020 Cervélo S3 Base geometry and specs

Key facts

Brand: Cervélo
Model: S3
Model year: 2020
Frame: Base
Type: Road
Geometry labels: 48, 51, 54, 56, 58, and 61
Drivetrain: Shimano Ultegra mechanical
Fork: Cervélo S3 carbon
Wheels: DT Swiss P1800 Spline
Geometry: Some measurements unavailable
Source: cervelo.com
Checked: Sep 8, 2026

Things to know

Compared with other road bikes on frame geometry alone.

Slacker seat angle than 9 in 10 road bikes: 73 degrees, where most sit near 73.5.

Geometry by size

Geometry drawing, size 54, to scale.

2020 Cervélo S3 Base geometry by size
Measurement	48	51	54	56	58	61
Reach(mm)	360	369	378	386	396	405
Stack(mm)	505	530	555	580	605	630
Head tube angle(°)	71	72	73	73.5	73.5	73.5
Seat tube angle(°)	73	73	73	73	73	73
Effective top tube(mm)	Not available	Not available	Not available	563	Not available	Not available
Chainstay length(mm)	405	405	405	405	405	405
Wheelbase(mm)	968.7	970.8	973.3	980.8	999.4	1015.8
BB drop(mm)	72.5	72.5	70	70	67.5	67.5
Standover(mm)	713	742.1	771.5	801.3	824.9	848.6
Head tube length(mm)	103.4	123.9	147.2	170.6	199.3	225.4

Sources agreeNot available

Requested. Requests decide what we research next.

How to read a geometry chart

Stock build

17 parts

Frame

Cervélo S3

Frame

Suspension

Cervélo S3 carbon

ForkBrake mount disc

Drivetrain

Shimano Ultegra

ShifterSpeeds 12Actuation type Electronic

Shimano Ultegra mechanical

DerailleurSpeeds 11

Shimano Ultegra

Cassette

Shimano HG-X11 Ultegra

ChainSpeeds 11

Shimano Ultegra

CranksetChainring interface Direct Mount

Shimano Ultegra

Chainring

Wheels & Tires

DT Swiss P1800 Spline

WheelsetRim material Aluminum

Continental Grand Prix

Tire

Brakes

Shimano Ultegra

Brake

Shimano Ultegra

Rotor

Cockpit

Cervélo AB09

HandlebarMaterial Carbon

Cervélo ST29

StemMaterial Aluminum

FSA integrated

HeadsetStandard (SHIS) integrated

Seatpost & Saddle

Cervélo SP20

SeatpostMaterial Carbon

Prologo Dimension

Saddle

Keep your S3 Base in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App Store Free on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Manufacturer

Keep the factory build and your current parts distinct

Bikes to compare with the S3

Same kind of bike with the closest frame angles and proportions. Differences are how each one compares to this bike.

2020 Trek Émonda SL Disc
Close on every number both bikes have.
Compare
2019 Trek Madone SLR
Close on every number both bikes have.
Compare
2020 Cervélo R5 Base
Close on every number both bikes have.
Compare
2019 Cervélo R5 Disc Base
Close on every number both bikes have.
Compare

Quick answers

Which size or configuration labels have geometry for the 2020 Cervélo S3 Base?: Geometry is listed for 48, 51, 54, 56, 58, and 61.
What are the reach and stack of the 2020 Cervélo S3 Base in size 56?: In size 56, reach is 386 mm and stack is 580 mm.
What is the head tube angle of the 2020 Cervélo S3 Base?: The head tube angle is 73.5 degrees in size 56.
What does the 2020 Cervélo S3 Base ship with?: The stock build includes Cervélo S3, Cervélo S3 carbon, Shimano Ultegra, and DT Swiss P1800 Spline.
Which years of the Cervélo S3 are on Quiver?: Quiver has the Cervélo S3 for 2020, 2019, 2018, 2017, 2014, and 2010.