Jamis PORTAL C1 2020
2020 Mountain
Estimate price |
8,499$
Weight | 13.95 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 XX1 Eagle, Truvativ Descendant Carbon -
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 1/8” 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 Factory 36 Float 29" w/ 3-position adjust compression & lock-out,15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 140mm travel
Drivetrain
Rear Derailleur
SRAM XX1 Eagle, 12-speed
Shift Levers
SRAM XX1 Eagle, 1x12-speed
Cassette
SRAM XG1299, 12-speed, 10-50T
Crank
Truvativ Descendant Carbon, 32T
Bottom Bracket
SRAM DUB
Chain
SRAM XX1 Eagle, 12-speed
Pedals
N/A
Wheels
Rims
Stans Arch CB7 Carbon 29" tubeless wheels, 15x110mm axle front and 12x148mm rear NEO hubs, Sapim Race spokes
Tires
Vittoria Martello 29 x 2.35", TNT tubeless
Brakes
Brakes
TRP G-Spec Trail SL 4-piston hydraulic disc, TR-33 180mm front & rear 6-bolt rotors
Cockpit
Stem
Race Face Turbine R, 50mm extension, 35mm clamp diameter
Handlebar
Race Face Turbine R, 780mm x 20mm rise, 35mm diameter
Grips
Jamis Lock-On
Headset
FSA Orbit IS Integrated, 8mm cone spacer
Seat
Saddle
WTB Volt
Seatpost
Fox Transfer Dropper, 1x remote
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.45 mm | 1.401 mm | 1.356 mm | 1.315 mm |
| Bottom Bracket Height | 348 mm | 348 mm | 348 mm | 348 mm |
| Front Center | 712 mm | 737 mm | 762 mm | 788 mm |
| Rake | 49 mm | 50 mm | 49 mm | 50 mm |
| Trail | 102 mm | 101 mm | 102 mm | 101 mm |
| Stack | 606 mm | 615 mm | 625 mm | 634 mm |
| Reach | 418 mm | 439 mm | 461 mm | 482 mm |
| Top Tube Length | 585 mm | 610 mm | 635 mm | 660 mm |
| Seat Tube Angle | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° |
| Head Tube Angle | 67.5 ° | 67.5 ° | 67.5 ° | 67.5 ° |
| Head Tube Length | 105 mm | 115 mm | 125 mm | 135 mm |
| Chainstay Length | 437 mm | 437 mm | 437 mm | 437 mm |
| Wheelbase | 1148 mm | 1173 mm | 1198 mm | 1224 mm |
| Bottom Bracket Drop | 26 mm | 26 mm | 26 mm | 26 mm |
| Standover Height | 761 mm | 756 mm | 761 mm | 781 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 completes the Jamis Portal model. Jamis launched 30 bikes of this model so far. You can get a glimpse at all models from 2020, by clicking on this link.
Model range prices
Jamis PORTAL A2 2020 is the most affordable bike of this model and has a price of 2999$. On the other hand, Jamis PORTAL C1 2020, is the most expensive and costs 8499$.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Average price for Trail bikes
According to our calculations, the average cost of a Trail bike that is reliable is 2762$. However, you could also get a good Trail bike even if you pay a lower amount than the average price. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
At the moment of the release date, Jamis PORTAL C1 price was 8499$. If we compare this with the average Trail bike cost we notice that the price is 207.71% higher.
Trail bikes average weight
The average weight for Trail bikes is 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.
PORTAL C1 weighs 13.95 kg (30.75 lbs) and is a bit heavier than the average. To sum up, it’s 7.47% heavier than the average weight of Trail bikes.
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
The fork installed on this bike is the Fox Factory Float 36 model. The travel on this model is 140mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Fork material
The fork is made out of aluminum, so there won’t be much extra weight added to the bike. However, they are not so stiff as carbon forks are.
Rear Shock
Bike rear shocks increase the riding comfort, and also give you more control over technical trails. In short, a full-suspension bike will give you the smoothest ride possible.
Wheels
When leaving the production line, the PORTAL C1 model has 29″ carbon wheels. 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
For your safety, it is important to have quality breaks on your bike. Jamis PORTAL C1 has Hydraulic Disc brakes installed. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.
Sizes
Jamis PORTAL C1 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
A dropper post is included with the PORTAL C1. Therefore, climbing or descending will be a breeze.