Which size or configuration labels have geometry for the 2020 Specialized Sirrus Women's Spec?

Geometry is listed for XS, S, M, L, and XL.

What are the reach and stack of the 2020 Specialized Sirrus Women's Spec in size M?

In size M, reach is 383 mm and stack is 581 mm.

What is the head tube angle of the 2020 Specialized Sirrus Women's Spec?

The head tube angle is 71 degrees in size M.

What does the 2020 Specialized Sirrus Women's Spec ship with?

The stock build includes Shimano Acera, Specialized Nimbus II Sport Reflect, Promax F1, and Specialized Aldia Sport.

Which years of the Specialized Sirrus are on Quiver?

Quiver has the Specialized Sirrus for 2020, 2023, 2022, 2021, 2019, 2018, 2017, 2015, 2014, 2013, 2012, 2011, 2010, 2009, and 2008.

2020 Specialized Sirrus Women's Spec geometry and specs

Key facts

Brand: Specialized
Model: Sirrus
Model year: 2020
Frame: Women's Spec
Type: Commuter
Geometry labels: XS, S, M, L, and XL
Drivetrain: Shimano Tourney
Geometry: Complete for every size
Source: specialized.com
Checked: Sep 5, 2026

Geometry by size

Geometry drawing, size M, to scale.

2020 Specialized Sirrus Women's Spec geometry by size
Measurement	XS	S	M	L	XL
Reach(mm)	372	373	383	400	402
Stack(mm)	537	556	581	593	611
Head tube angle(°)	69.5	70	71	71	71.5
Seat tube angle(°)	73.5	73.5	73.5	73.5	73.5
Chainstay length(mm)	440	440	440	440	440
Wheelbase(mm)	1036	1039	1047	1069	1072
BB drop(mm)	70	70	70	70	70
BB height(mm)	275	275	275	275	275
Standover(mm)	690	715	745	775	805
Seat tube length(mm)	345	380	425	455	495
Fork length(mm)	390	390	390	390	390
Head tube length(mm)	126	144	166	179	196

How to read a geometry chart

Stock build

8 parts

Drivetrain

Shimano Acera

Shifter

Shimano Tourney

DerailleurMount type short cage

Shimano Altus

DerailleurActuation type Mechanical

Shimano Altus

CassetteSpeeds 8

KMC X8

Chain

Wheels & Tires

Specialized Nimbus II Sport Reflect

Tire

Brakes

Promax F1

Brake

Seatpost & Saddle

Specialized Aldia Sport

Saddle

Keep your Sirrus Women's Spec 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 Sirrus

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

2021 Merida SPEEDER
Higher bottom bracket.
Compare
2022 Merida CROSSWAY 10-V
Longer chainstays, steeper head angle.
Compare
2021 Trek FX Sport
More stretched-out position, higher bottom bracket.
Compare
2018 Surly Ogre
Steeper head angle, more stretched-out position.
Compare

Quick answers

Which size or configuration labels have geometry for the 2020 Specialized Sirrus Women's Spec?: Geometry is listed for XS, S, M, L, and XL.
What are the reach and stack of the 2020 Specialized Sirrus Women's Spec in size M?: In size M, reach is 383 mm and stack is 581 mm.
What is the head tube angle of the 2020 Specialized Sirrus Women's Spec?: The head tube angle is 71 degrees in size M.
What does the 2020 Specialized Sirrus Women's Spec ship with?: The stock build includes Shimano Acera, Specialized Nimbus II Sport Reflect, Promax F1, and Specialized Aldia Sport.
Which years of the Specialized Sirrus are on Quiver?: Quiver has the Specialized Sirrus for 2020, 2023, 2022, 2021, 2019, 2018, 2017, 2015, 2014, 2013, 2012, 2011, 2010, 2009, and 2008.