Jamis PORTAL C4 2022
Bike details
Key information split into simple groups.
Bike summary
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Frame Carbon
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Wheels 29"
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Travel Front 130mm
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Travel Rear 130mm
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Fork Fox Rhythm Float 34
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Groupset Deore, Race Face
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Suspension Full
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Drivetrain 1 × 12
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Brakes Hydraulic Disc
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Main components, grouped by system.
Bike components
Frame
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 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
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.46 mm | 1.41 mm | 1.36 mm | 1.32 mm |
| Bottom Bracket Height | 341 mm | 341 mm | 341 mm | 341 mm |
| Front Center | 713 mm | 738 mm | 763 mm | 789 mm |
| Rake | 47 mm | 47 mm | 46 mm | 47 mm |
| Trail | 108 mm | 108 mm | 109 mm | 108 mm |
| Stack | 600 mm | 609 mm | 619 mm | 628 mm |
| Reach | 412 mm | 433 mm | 455 mm | 476 mm |
| Top Tube Length | 579 mm | 604 mm | 629 mm | 654 mm |
| Seat Tube Angle | 74 ° | 74 ° | 74 ° | 74 ° |
| Seat Tube Length | 394 mm | 432 mm | 483 mm | 533 mm |
| Head Tube Angle | 67 ° | 67 ° | 67 ° | 67 ° |
| Head Tube Length | 105 mm | 115 mm | 125 mm | 135 mm |
| Chainstay Length | 431 mm | 431 mm | 431 mm | 431 mm |
| Wheelbase | 1142 mm | 1167 mm | 1192 mm | 1218 mm |
| Bottom Bracket Drop | 33 mm | 33 mm | 33 mm | 33 mm |
| Standover Height | 748 mm | 743 mm | 748 mm | 768 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
About this model
PORTAL C4 is a Jamis Portal model. Jamis launched 30 bikes of this model so far. Check out the entire range from 2022 of this model, by clicking this link.
Model range prices
Jamis PORTAL A2 2022 is the most economical model, with a starting price of 3799$. Jamis PORTAL C1 2022 on the other hand costs 9499$, and is the most expensive model.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Trail bikes average price
According to our calculations, the average cost of a Trail bike that is reliable is 2762$. However, this doesn’t mean that if you spend less money on a Trail bike, you couldn’t get a decent one. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
At the moment of the release date, Jamis PORTAL C4 price was 4799$. Doing a quick comparison, we notice that PORTAL C4 price is 73.75% more expensive than the average cost of a Trail bike.
Trail bikes average weight
Trail bikes have an average weight 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.
Weighing 14.17 kg (31.24 lbs), the PORTAL C4 model is a bit heavier than average. In short, the average Trail bike weight is 9.17% lower than this one.
Internal Cable Routing
It’s also important to mention the internal cable routing that this bike has. In short, this will allow you to keep your bike cables in great condition. Say goodbye to hanging cables.
PORTAL C4 components
Fork
The PORTAL C4 comes factory-installed with the Fox Rhythm Float 34 fork. This has a travel range of 130mm. Bike forks are great for shock absorption and provide you with a smooth ride. In conclusion, always look for a fork with decent travel when you buy a bike.
Fork material
PORTAL C4 has an aluminum fork, which is a lighter material. However, it is not as tough, nor durable as steel is.
Rear Shock
Bike rear shocks are a great way to increase comfort on the bike and give you more control when riding on technical trails. To sum up, always consider getting a bike that has a rear shock as well.
Wheels size
When it comes to wheels, the PORTAL C4 bike is equipped with the 29″ aluminum model. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, if you’re not a tall person, you might find it difficult to adapt to this wheel size.
Brakes
Nothing is more important on a bike than its ability to brake properly. Jamis PORTAL C4 is equipped with Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.
Sizes
There are 4 sizes available for this model. Rider height can be anywhere between 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, it won’t take much to find one that’s right for you.
Dropper post
The Jamis model is also equipped with a dropper post. If you are a technical rider, a dropper post is essential. A dropper post provides increased safety while riding. The lever system, allows you to move your saddle up and down, which is very useful on climbs and descends.
