2020 Jamis

PORTAL A2

A 29″ aluminum frame full suspension trail bike with high-end components.
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Manufacturer Price

$2,999
Weight33.5 lbs  
FrameAluminum
SuspensionFull, 130 / 130mm
ForkRockShox Revelation RC
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle, X1
BrakesHydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
PORTAL A2
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

25 mph

PORTAL A2

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
XS

5'1" – 5'6"

SM

5'4" – 5'9"

MD

5'7" – 6'0"

LG

5'10" – 6'3"

XL

6'0" – 6'5"

🐐 Estimated

Rider Fit Notes

None yet.

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Reviews
Loam Wolf
Review: Jamis Portal C1

Aug 2020 · Caleb Ely

JAMIS PORTAL C1 LONG-TERM REVIEW MORE THAN MEETS THE EYE Words by Caleb Ely Photography by Caleb Ely & Brian Niles If you watched our Dissected video on the new Jamis Portal C1 few months back then you learned

Read Review

BIKE Magazine
Jamis Portal A1+ | $4,000

Nov 2019

It's official. Jamis now makes a good full-suspension bike. It's supple, efficient and clean. All it needs is some good parts to be bolted to it.

Read Review

Bicycling
The Jamis Portal Gets Brand-New Suspension

Sep 2018

The brand’s 3VO suspension takes a unique approach to efficiency.

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Triple-butted 6061 aluminum, 130mm travel 3VO suspension, Enduro® Max sealed bearing pivots, 1.5 - 1 1/8” tapered head tube, 12x148mm thru-axle, Internal dropper post routing, Custom Jamis upper chainguide mounts, ISCG05 lower chainguide mounts, Rock Shox Deluxe Select R DebonAir shock, 10mm hardware, replaceable derailleur hanger

Fork

Rock Shox Revelation RC 29",15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 130mm travel

Travel130mm

Spring TypeAir

Bottom Bracket

SRAM DUB

Headset

FSA Orbit IS Integrated, 8mm cone spacer

Stem

Race Face Ride, 50mm extension, 35mm clamp diameter

Handlebar

Race Face Ride, 760mm x 20mm rise, 35mm diameter

Saddle

WTB Volt

Seatpost

KS Rage Dropper, Southpaw remote

TypeDropper

Pedals

N/A

Grips

Jamis Lock-On

Groupset
Rear Derailleur

SRAM SX Eagle, 12-speed

Crank

SRAM X1 Eagle, 32T

Shifters

SRAM SX Eagle, 1x12-speed

Cassette

SRAM PG1210, 12-speed, 11-50T

Chain

SRAM SX Eagle, 12-speed

Brakes

Magura MT4 hydraulic disc w/HC levers, Storm HC 180mm front & 160mm rear 6-bolt rotors

TypeHydraulic Disc

Wheels
Rims

WTB ST i25 TCS 29" tubeless rims, 32H, Formula sealed bearing 15x110mm front & 12x148mm rear 6-bolt disc hubs, stainless spokes

Tires

Vittoria Martello 29 x 2.35", TNT tubeless

Rider Notes
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Last updated April 27
Not listed for 1,456 days