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Jamis PORTAL A2 2023

2023 Mountain
Estimate price | 3,799$
Weight | 15.31 kg
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Jamis Portal A2 2023

Bike details

Overview

Key information split into simple groups.

Bike summary

  • Category
  • Frame Aluminum
  • Wheels 29"
  • Travel Front 130mm
  • Travel Rear 130mm
  • Fork Fox Rhythm Float 34
  • Groupset Deore, Race Face
  • Suspension Full
  • Drivetrain 1 × 12
  • Brakes Hydraulic Disc
Sizing

Recommended size guide.

  • XS

    156cm - 166cm

  • SM

    163cm - 174cm

  • MD

    171cm - 182cm

  • LG

    179cm - 189cm

  • XL

    185cm - 195cm

Parts list

Components

Main components, grouped by system.

Bike components

Frame

Frame

Triple-butted 6061 aluminum, 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 Performance Series EVOL shock w/3-position compression, 10mm shock hardware, replaceable derailleur hanger

Suspension Fork

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

Drivetrain

Rear Derailleur

Shimano Deore, 12-speed

Shift Levers

Shimano Deore, 1×12-speed

Cassette

Shimano M6100, 12-speed, 10-51T

Crank

Race Face Ride, 32T

Bottom Bracket

Race Face BSA

Chain

KMC X12, 12-speed

Pedals

N/A

Wheels

Rims

Stan’s No Tubes Flow D 29? rims, Shimano MT410 15x110mm front & 12x148mm rear hubs, stainless spokes

Tires

Vittoria Mazza 29 x 2.4?, TNT tubeless

Brakes

Brakes

Shimano MT420 4-piston hydraulic disc, 180mm front & 160mm rear RT30 rotors

Cockpit

Stem

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

Handlebar

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

Grips

Jamis Lock-On

Headset

FSA Orbit IS Integrated, 8mm cone spacer

Seat

Saddle

WTB Volt

Seatpost

KS Rage Dropper, Southpaw remote

Fit data

Geometry

Numbers for sizing and ride feel.

SizeXSSMMDLGXL
Stack Reach Ratio
1.5 mm1.45 mm1.4 mm1.35 mm1.31 mm
Bottom Bracket Height
341 mm341 mm341 mm341 mm341 mm
Front Center
687 mm713 mm738 mm763 mm789 mm
Rake
51 mm53 mm53 mm52 mm53 mm
Trail
100 mm98 mm98 mm99 mm98 mm
Stack
599 mm608 mm617 mm627 mm636 mm
Reach
399 mm420 mm441 mm463 mm484 mm
Top Tube Length
562 mm587 mm612 mm637 mm662 mm
Seat Tube Angle
74.5 °74.5 °74.5 °74.5 °74.5 °
Seat Tube Length
368 mm394 mm432 mm483 mm533 mm
Head Tube Angle
67.5 °67.5 °67.5 °67.5 °67.5 °
Head Tube Length
95 mm105 mm115 mm125 mm135 mm
Chainstay Length
439 mm439 mm439 mm439 mm439 mm
Wheelbase
1124 mm1150 mm1175 mm1200 mm1226 mm
Bottom Bracket Drop
33 mm33 mm33 mm33 mm33 mm
Standover Height
733 mm756 mm751 mm756 mm776 mm
Wheels29"29"29"29"29"
Rider Min Height156 cm163 cm171 cm179 cm185 cm
Rider Max Height166 cm174 cm182 cm189 cm195 cm

Model Overview

PORTAL A2 belongs to the Jamis Portal model. Jamis launched 30 bikes of this model so far. You can get a glimpse at all models from 2023, by clicking on this link.

Model range prices

Jamis PORTAL A2 2023 is the most economical model, with a starting price of 3799$. Jamis PORTAL C1 2023 on the other hand costs 9499$, and is the most expensive model.

Safety

Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.

Average price for Trail bikes

If you want an acceptable Trail bike you should know that the average price is 2762$. However, this doesn’t mean that if you spend less money on a Trail bike, you couldn’t get a decent one. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.

This bike was released in 2023 and its price was 3799$. Comparing the average cost of a Trail bike to this one, you will see that PORTAL A2 price is 37.55% higher.

Average weight for Trail bikes

Trail bikes weigh an average of 12.98 kg (28.62 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.

much heavier than average, PORTAL A2 has a weight of 15.31 kg (33.75 lbs). In short, the average Trail bike weight is 17.95% lower than this one.

Internal Cable Routing

Moreover, this bike comes with internal cable routing allowing you to keep the cables in a good condition. It also makes it look more professional.

PORTAL A2 components

Fork

The fork installed on this bike is the Fox Rhythm Float 34 model. The travel on this model is 130mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.

Fork material

The fork on this bike is made out of aluminum, which is a lighter material. However, it is not as tough, nor durable as steel is.

Rear Shock

Rear shocks give you increased comfort, control, and traction, which is important when cornering or braking. This allows you to ride faster on bumpy roads. In short, if you want smooth rides, get a full-suspension bicycle.

Wheels

When it comes to wheels, the PORTAL A2 bike is equipped with the 29″ aluminum model. With 29″ wheels, bumps will feel lighter and you’ll gain more speed on descends, compared to smaller wheel-sized bikes. However, if you’re not a tall person, you might find it difficult to adapt to this wheel size.

Brakes

We ride faster and faster, so a good braking system is essential on a bike nowadays. The PORTAL A2 comes with Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, you can ride your bike with confidence.

Sizes

Jamis PORTAL A2 bike has 5 sizes, in the range of 156 cm – 195 cm (5.12 ft – 6.4 ft). In short, you can easily find one that suits you.

Dropper post

The Jamis model is also equipped with a dropper post. Therefore, climbing or descending will be a breeze.