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2025 Jamis

PORTAL C2

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

$4,499$6,999
Weight28.5 lbs  
FrameCarbon
SuspensionFull, 130 / 130mm
ForkFox Factory Float 34
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetXT
BrakesShimano XT Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
PORTAL C2
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)

28 mph

PORTAL C2

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full PORTAL model range

View Comparison
Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

None yet.

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Price History
Geometry
Specs
Build
Frame

Dyad Pro High Modulus Carbon Fiber, 130mm travel 3VO suspension, Enduro¨ Max sealed bearing pivots, 1.5 – 1 1/8Ó tapered head tube, 12x148mm thru-axle, Internal dropper post routing, Custom Jamis upper chainguide mounts, ISCG05 lower chainguide mounts, Fox Float DPS Factory Series Kashima EVOL shock w/3-position compression, 10mm hardware, replaceable derailleur hanger

BB StandardBSA, 73mm, Threaded

Fork

Fox 34 Factory Series Float 29″ w/ 3-position adjust compression & lock-out,15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 130mm travel, 51mm rake

Travel130mm

Spring TypeAir

Bottom Bracket

Shimano BSA

Headset

FSA Orbit IS Integrated, 8mm cone spacer

Stem

Race Face Turbine R, 50mm extension, 35mm clamp diameter

Handlebar

Race Face Turbine R, 800mm x 20mm rise, 35mm diameter

Saddle

WTB Volt

Seatpost

Fox Transfer Factory Series Dropper, 1x remote

TypeDropper

Pedals

N/A

Grips

Jamis Lock-On

Groupset
Rear Derailleur

Shimano XT, 12-speed

Crank

Shimano XT M8120, 32T

Shifters

Shimano XT, 1×12-speed

Cassette

Shimano M8100, 12-speed, 10-51T

Chain

Shimano M8100, 12-speed

Brakes

Shimano XT M8120 4-piston Ice-Tech hydraulic disc, RT-800 180mm rotors

TypeShimano XT Hydraulic Disc

Wheels
Rims

Stans Flow MK4 29″ tubeless wheels, 15x110mm axle front and 12x148mm rear E-SYNC hubs, Sapim D-Light spokes

Tires

Vittoria Mazza 29 x 2.4″, TNT tubeless

Rider Notes
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First added June 16

Last updated May 30