Quiver

Jamis2020

2020 Jamis PORTAL A2

Reach 418 to 482 mm, stack 606 to 634 mm. The PORTAL A2 build comes with SRAM SX Eagle shifting and WTB ST i25 TCS 29” tubeless rims wheels.

Source: bikecatalogs.com. Checked .

Key facts

Brand
Jamis
Model year
2020
Drivetrain
SRAM SX Eagle
Geometry
Complete for every size
Checked

Geometry by size

2020 Jamis PORTAL A2 geometry drawing, size M/17"Side view of the 2020 Jamis PORTAL A2 frame in size M/17", drawn to scale from its published geometry, with lettered dimension lines.J 1173A 439mmB 615mmJ 1173mmH 437mmK 33mmC 610mmD 67.5°E 74.5°F 115mmL 749mm
Geometry drawing, size M/17", to scale.
2020 Jamis PORTAL A2 geometry by size
MeasurementL/19"M/17"S/15.5"XL/21"
Reach(mm)461439418482
Stack(mm)625615606634
Head tube angle(°)67.567.567.567.5
Seat tube angle(°)74.574.574.574.5
Effective top tube(mm)635610585660
Chainstay length(mm)437437437437
Wheelbase(mm)1198117311481224
BB drop(mm)33333333
Standover(mm)754749754774
Head tube length(mm)125115105135

Stock build

17 parts

Suspension

RockShox Revelation RC 29”
Fork
RockShox Deluxe R DebonAir Select
Rear shock

Drivetrain

SRAM SX Eagle
ShifterFrom the manufacturer: Speeds 12
SRAM SX Eagle
DerailleurFrom the manufacturer: Speeds 12
SRAM SX Eagle
Cassette
SRAM SX Eagle
ChainFrom the manufacturer: Speeds 12
Bottom bracket

Wheels & Tires

Brakes

Cockpit

Race Face Ride
HandlebarFrom the manufacturer: Width 760mm
Race Face Ride 35mm clamp
StemFrom the manufacturer: Bar clamp diameter 35mmFrom the manufacturer: Length 50mm

Seatpost & Saddle

WTB Volt
SaddleWidth 135 / 142 / 150mmLength 265mm

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Sources agreeManufacturer

Quick answers

Which size or configuration labels have geometry for the 2020 Jamis PORTAL A2?
Geometry is listed for L/19", M/17", S/15.5", and XL/21".
What are the reach and stack of the 2020 Jamis PORTAL A2 in size S/15.5"?
In size S/15.5", reach is 418 mm and stack is 606 mm.
What is the head tube angle of the 2020 Jamis PORTAL A2?
The head tube angle is 67.5 degrees in every size.
What does the 2020 Jamis PORTAL A2 ship with?
The stock build includes RockShox Revelation RC 29”, SRAM SX Eagle, WTB ST i25 TCS 29” tubeless rims, and Magura MT4 hydraulic disc.
Which years of the Jamis PORTAL A2 are on Quiver?
Quiver has the Jamis PORTAL A2 for 2020, 2021, and 2019.

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