Jamis PORTAL C2 2021
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 Factory Float 34
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Groupset XT
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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 Factory Series Kashima EVOL shock w/3-position compression, 10mm hardware, replaceable derailleur hanger
Suspension 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
Drivetrain
Rear Derailleur
Shimano XT, 12-speed
Shift Levers
Shimano XT, 1×12-speed
Cassette
Shimano M8100, 12-speed, 10-51T
Crank
Shimano XT M8120, 32T
Bottom Bracket
Shimano BSA
Chain
Shimano M8100, 12-speed
Pedals
N/A
Wheels
Rims
Stans Flow MK3 29? tubeless wheels, 15x110mm axle front and 12x148mm rear NEO Ultimate hubs, Sapim Force spokes
Tires
Vittoria Mazza 29 x 2.4?, TNT tubeless
Brakes
Brakes
Shimano XT M8120 4-piston Ice-Tech hydraulic disc, RT-800 180mm rotors
Cockpit
Stem
Race Face Turbine R, 50mm extension, 35mm clamp diameter
Handlebar
Race Face Turbine R, 800mm x 20mm rise, 35mm diameter
Grips
Jamis Lock-On
Headset
FSA Orbit IS Integrated, 8mm cone spacer
Seat
Saddle
WTB Volt
Seatpost
Fox Transfer Factory Series Dropper, 1x 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 |
Model Overview
PORTAL C2 completes the Jamis Portal model. 30 bikes variations carry this model name so far. Check out the entire range from 2021 of this model, by clicking this link.
Model range prices
The most economical model, the Jamis PORTAL A2 2021 has a starting price of 3699$. Jamis PORTAL C1 2021 on the other hand is the most expensive at 8999$.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Trail bikes average price
If you want to purchase a solid Trail bike, it is important to know that the average cost is 2762$. However, you could also get a good Trail bike even if you pay a lower amount than the average price. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
This bike was released in 2021 and its price was 6999$. Comparing the average cost of a Trail bike to this one, you will see that PORTAL C2 price is 153.4% more expensive.
Trail bikes average weight
Trail bikes weigh an average of 12.98 kg (28.62 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
slightly lighter than average, PORTAL C2 has a weight of 12.93 kg (28.51 lbs). In conclusion, the average Trail bike weighs 0.39% more than PORTAL C2.
Internal Cable Routing
Another thing to mention, is the internal cable routing of this bike. In conclusion, this helps you too, keep the bike cables in mint condition, and also it looks better. No more cables, surrounding the bike.
Overview of components
Fork
Jamis PORTAL C2 2021 bike is equipped with the Fox Factory Float 34 fork, and has 130mm travel. Bike forks are perfect to absorb shocks and provide a great riding experience overall. In conclusion, always look for a fork with decent travel when you buy a bike.
Fork material
The fork is made out of aluminum, which is a lighter material. However, it is not as tough, nor durable as steel is.
Rear Shock
Bike rear shocks increase the riding comfort, and also give you more control over technical trails. To sum up, get a full-suspension bike if you want the smoothest rides.
Wheels
As for the wheels, Jamis PORTAL C2 2021, has a 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
When you want to stop the bike in time, the brakes are vital. The PORTAL C2 has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, your safety is in good hands.
Sizes
Jamis PORTAL C2 bike has 4 sizes, in the range of 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, it won’t be difficult to find the right one for you.
Dropper post
Jamis PORTAL C2 comes with a dropper post. If used correctly, a dropper post gives you more faith, maneuverability, and greater control over your bike.
