Which size or configuration labels have geometry for the 2021 Jamis ALLEGRO A1 (DESIGNED FOR WOMEN)?

Geometry is listed for 14, 16, and 18.

What are the reach and stack of the 2021 Jamis ALLEGRO A1 (DESIGNED FOR WOMEN) in size 16?

In size 16, reach is 374 mm and stack is 547 mm.

What is the head tube angle of the 2021 Jamis ALLEGRO A1 (DESIGNED FOR WOMEN)?

The head tube angle is 71 degrees in every size.

What does the 2021 Jamis ALLEGRO A1 (DESIGNED FOR WOMEN) ship with?

The stock build includes Shimano Altus M2010 RapidFire Plus, Alex Rims TD26 double wall disc specific alloy rims, Jamis Flat bar, and Jamis alloy micro-adjust.

Which years of the Jamis ALLEGRO A1 (DESIGNED FOR WOMEN) are on Quiver?

Quiver has the Jamis ALLEGRO A1 (DESIGNED FOR WOMEN) for 2021.

2021

2021 Jamis ALLEGRO A1 (DESIGNED FOR WOMEN)

Reach 370 to 378 mm, stack 533 to 557 mm. The ALLEGRO A1 (DESIGNED FOR WOMEN) build comes with Alex Rims TD26 double wall disc specific alloy rims wheels.

Compare geometry

Source: bikecatalogs.com. Checked Oct 4, 2026.

Key facts

Brand: Jamis
Model: ALLEGRO A1 (DESIGNED FOR WOMEN)
Model year: 2021
Geometry labels: 14, 16, and 18
Wheels: Alex Rims TD26 double wall disc specific alloy rims
Geometry: Complete for every size
Checked: Oct 4, 2026

Geometry by size

Geometry drawing, size 16, to scale.

2021 Jamis ALLEGRO A1 (DESIGNED FOR WOMEN) geometry by size
Measurement	14	16	18
Reach(mm)	370	374	378
Stack(mm)	533	547	557
Head tube angle(°)	71	71	71
Seat tube angle(°)	73	73	73
Effective top tube(mm)	534	542	549
Chainstay length(mm)	435	435	435
Wheelbase(mm)	1015.7	1019.5	1032
BB drop(mm)	57.5	57.5	57.5
Standover(mm)	707	732	757
Head tube length(mm)	110	125	135

How to read a geometry chart

Stock build

9 parts

Drivetrain

Shimano Altus M2010 RapidFire Plus

ShifterSpeeds 9

Shimano HG200 9-speed

CassetteSpeeds 9

KMC Z9

ChainSpeeds 9

Shimano MT210

CranksetCrank length 170mm

FSA sealed cartridge

Bottom bracket

Wheels & Tires

Alex Rims TD26 double wall disc specific alloy rims

Wheelset

Cockpit

Jamis Flat bar

HandlebarWidth 600mm

Jamis Road 3D forged alloy

Stem

Seatpost & Saddle

Jamis alloy micro-adjust

Seatpost

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Quick answers

Which size or configuration labels have geometry for the 2021 Jamis ALLEGRO A1 (DESIGNED FOR WOMEN)?: Geometry is listed for 14, 16, and 18.
What are the reach and stack of the 2021 Jamis ALLEGRO A1 (DESIGNED FOR WOMEN) in size 16?: In size 16, reach is 374 mm and stack is 547 mm.
What is the head tube angle of the 2021 Jamis ALLEGRO A1 (DESIGNED FOR WOMEN)?: The head tube angle is 71 degrees in every size.
What does the 2021 Jamis ALLEGRO A1 (DESIGNED FOR WOMEN) ship with?: The stock build includes Shimano Altus M2010 RapidFire Plus, Alex Rims TD26 double wall disc specific alloy rims, Jamis Flat bar, and Jamis alloy micro-adjust.
Which years of the Jamis ALLEGRO A1 (DESIGNED FOR WOMEN) are on Quiver?: Quiver has the Jamis ALLEGRO A1 (DESIGNED FOR WOMEN) for 2021.

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