Jamis PORTAL C1 2021
2021 Mountain
Estimate price |
8,999$
Weight | 13.61 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 29" -
Travel Front 140mm -
Travel Rear 130mm -
Fork Fox Factory Float 36
-
Groupset XTR -
Suspension Full -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
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, MRP SXg lower chainguide,Fox DHX2 Factory Series coil shock w/2-position compression switch, SLS 450lb Spring, high/low speed compression, high/low speed rebound, 10mm hardware, replaceable derailleur hanger
Suspension Fork
Fox 36 Factory Series Float 29? w/ 3-position adjust compression & lock-out,15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 140mm travel, 51mm rake
Drivetrain
Rear Derailleur
Shimano XTR, 12-speed
Shift Levers
Shimano XTR, 1×12-speed
Cassette
Shimano M9100, 12-speed, 10-51T
Crank
Shimano XTR M9120, 32T
Bottom Bracket
Shimano BSA
Chain
Shimano M9100, 12-speed
Pedals
N/A
Wheels
Rims
Stans Flow CB7 Carbon 29? tubeless wheels, 15x110mm axle front and 12x148mm rear NEO hubs, Sapim Race spokes
Tires
Vittoria Mazza 29 x 2.4?, TNT tubeless
Brakes
Brakes
Shimano XTR M9120 4-piston Ice-Tech hydraulic disc, RT-900 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
Geometry
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 C1 is a Jamis Portal model. 30 bikes variations carry this model name so far. You can easily view all of the Jamis Portal bikes models from 2021, here.
Model range prices
Jamis PORTAL A2 2021 is the cheapest bike model and costs 3699$. Jamis PORTAL C1 2021 is the most expensive one and costs 8999$.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Average price for Trail bikes
Our math shows that the average cost of a dependable Trail bike is 2762$. However, this doesn’t mean that if you spend less money on a Trail bike, you couldn’t get a decent one. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 8999$. Comparing the average cost of a Trail bike to this one, you will see that PORTAL C1 price is 225.81% higher.
Trail bikes average weight
Trail bikes have an average weight of 12.98 kg (28.62 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
Jamis PORTAL C1 it’s weighing 13.61 kg (30 lbs). At this weight, is slightly heavier than average. In short, the average Trail bike weight is 4.85% 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.
Overview of components
Fork
The PORTAL C1 comes factory-installed with the Fox Factory Float 36 fork. This has a travel range of 140mm. Bike forks are great for shock absorption and provide you with a smooth ride. In short, make sure you choose one with a decent fork when you purchase your dream bike.
Fork material
The fork on this bike is made out of aluminum, which doesn’t add too much extra weight to the bike. However, it is not so stiff as steel or carbon forks are.
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. To sum up, get a full-suspension bike if you want the smoothest rides.
Wheels
When it comes to wheels, the PORTAL C1 bike is equipped with the 29″ carbon model. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. However, these wheels are not ideal for smaller people.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The PORTAL C1 comes with Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, you can ride your bike with confidence.
Sizes
This bike is available in 4 sizes. They vary from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, you won’t have a problem finding one that suits you.
Dropper post
Every bike should have a dropper post, and this one does. Therefore, climbing or descending will be a breeze.