Which size or configuration labels have geometry for the 2020 Jamis HARDLINE C1?

Geometry is listed for L/19", M/17", S/15.5", and XL/21".

What are the reach and stack of the 2020 Jamis HARDLINE C1 in size S/15.5"?

In size S/15.5", reach is 418 mm and stack is 585 mm.

What is the head tube angle of the 2020 Jamis HARDLINE C1?

The head tube angle is 65.5 degrees in every size.

What does the 2020 Jamis HARDLINE C1 ship with?

The stock build includes Fox 36 Float 27.5 Factory, SRAM XX1 Eagle, Vittoria Martello 27.5 x 2.35”, and TRP G-Spec DH 4-piston hydraulic disc.

Which years of the Jamis HARDLINE C1 are on Quiver?

Quiver has the Jamis HARDLINE C1 for 2020.

2020

2020 Jamis HARDLINE C1

Reach 418 to 482 mm, stack 585 to 613 mm. The HARDLINE C1 build comes with Vittoria Martello 27.5 x 2.35” tires.

Compare geometry

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

Key facts

Brand: Jamis
Model: HARDLINE C1
Model year: 2020
Geometry labels: L/19", M/17", S/15.5", and XL/21"
Fork: Fox 36 Float 27.5 Factory
Geometry: Complete for every size
Checked: Oct 4, 2026

Geometry by size

Geometry drawing, size M/17", to scale.

2020 Jamis HARDLINE C1 geometry by size
Measurement	L/19"	M/17"	S/15.5"	XL/21"
Reach(mm)	461	439	418	482
Stack(mm)	604	595	585	613
Head tube angle(°)	65.5	65.5	65.5	65.5
Seat tube angle(°)	74	74	74	74
Effective top tube(mm)	635	610	585	660
Chainstay length(mm)	429	429	429	429
Wheelbase(mm)	1208	1182	1157	1233
BB drop(mm)	13.5	13.5	13.5	13.5
Standover(mm)	749	745	751	765
Head tube length(mm)	120	110	100	130

How to read a geometry chart

Stock build

14 parts

Suspension

Fox 36 Float 27.5 Factory

Fork

Drivetrain

SRAM XX1 Eagle

ShifterSpeeds 12

SRAM XX1 Eagle

CassetteSpeeds 12

SRAM XX1 Eagle

ChainSpeeds 12

TruVativ Descendant Carbon

Crankset

SRAM DUB

Bottom bracket

Wheels & Tires

Vittoria Martello 27.5 x 2.35”

Tire

Brakes

TRP G-Spec DH 4-piston hydraulic disc

Brake

Cockpit

Race Face Turbine R

HandlebarWidth 780mm

Race Face Turbine-R

Stem

Jamis Lock-On

Grips

FSA Orbit IS Integrated

Headset

Seatpost & Saddle

Fox Transfer Dropper

Seatpost

WTB Volt

SaddleWidth 135 / 142 / 150mmLength 265mm

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Quick answers

Which size or configuration labels have geometry for the 2020 Jamis HARDLINE C1?: Geometry is listed for L/19", M/17", S/15.5", and XL/21".
What are the reach and stack of the 2020 Jamis HARDLINE C1 in size S/15.5"?: In size S/15.5", reach is 418 mm and stack is 585 mm.
What is the head tube angle of the 2020 Jamis HARDLINE C1?: The head tube angle is 65.5 degrees in every size.
What does the 2020 Jamis HARDLINE C1 ship with?: The stock build includes Fox 36 Float 27.5 Factory, SRAM XX1 Eagle, Vittoria Martello 27.5 x 2.35”, and TRP G-Spec DH 4-piston hydraulic disc.
Which years of the Jamis HARDLINE C1 are on Quiver?: Quiver has the Jamis HARDLINE C1 for 2020.

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