principia 40 2023
2023 Road
Estimate price |
2,293$
Weight | 10.3 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Groupset GRX 600 -
Suspension Rigid -
Drivetrain 1 × 11 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Aluminium
Suspension Fork
Carbon
Drivetrain
Rear Derailleur
Shimano GRX RX600
Shift Levers
Shimano GRX ST-RX600 1x11
Cassette
Sunrace CSMS7 11sp 11-42T
Crank
Shimano FC-RX600 40T 170mm
Chain
KMC X11, 116 links
Pedals
Not included
Wheels
Rims
28in (700)
Tires
Panaracer GravelKing SK 38-622
Brakes
Brakes
Front: Shimano GRX RX600 hydraulic disc brake, 160 mm. rotor, Rear: Shimano GRX RX600 hydraulic disc brake, 160 mm. rotor
Cockpit
Stem
Kalloy AS-007N, 31.8 mm.
Handlebar
Kalloy HBL002, 31.8 mm.
Seat
Saddle
Foming DDK-510
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 51cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.42 mm | 1.46 mm | 1.5 mm | 1.52 mm | 1.53 mm |
| Bottom Bracket Height | 287 mm | 287 mm | 287 mm | 287 mm | 287 mm |
| Front Center | 604 mm | 607 mm | 611 mm | 622 mm | 637 mm |
| Rake | 50 mm | 50 mm | 50 mm | 45 mm | 50 mm |
| Trail | 79 mm | 72 mm | 66 mm | 62 mm | 63 mm |
| Stack | 536.88 mm | 559.62 mm | 582 mm | 603.42 mm | 622.43 mm |
| Reach | 378.49 mm | 382.96 mm | 389 mm | 397.74 mm | 406.61 mm |
| Top Tube Length | 531 mm | 542 mm | 560 mm | 575 mm | 589.5 mm |
| Seat Tube Angle | 74 ° | 74 ° | 73.5 ° | 73.5 ° | 73.5 ° |
| Seat Tube Length | 490 mm | 520 mm | 540 mm | 560 mm | 590 mm |
| Head Tube Angle | 69.5 ° | 70.5 ° | 71.5 ° | 71.5 ° | 72 ° |
| Head Tube Length | 115 mm | 135 mm | 155 mm | 175 mm | 195 mm |
| Chainstay Length | 450 mm | 450 mm | 450 mm | 450 mm | 450 mm |
| Wheelbase | 1045 mm | 1048 mm | 1052 mm | 1062 mm | 1077 mm |
| Bottom Bracket Drop | 67 mm | 67 mm | 67 mm | 67 mm | 67 mm |
| Standover Height | 753 mm | 781 mm | 801 mm | 821 mm | 848 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |
About this model
40 completes the Principia 40 model. Principia launched 1 bike of this model so far.
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 Gravel bikes
If you want to purchase a solid Gravel bike, it is important to know that the average cost is 2462$. However, even if your budget is less than the average, you might still be able to get a top-quality Gravel bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 2123$. In conclusion, this bike price is 15.97% lower than the price of the average Gravel bike.
Average weight for Gravel bikes
Gravel bikes weigh an average of 8.13 kg (17.92 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
40 weighs 10.3 kg (22.71 lbs) and is much heavier than the average. In short, the average Gravel bike weight is 26.69% lower than this one.
40 components
Fork material
The fork on this bike is made out of carbon, so, its weight is considerably lighter than one made out of steel. However, they cost a bit more than steel forks.
Wheels size
When it comes to wheels, the 40 bike is equipped with the 700c aluminum model. There is no doubt, that 700c wheels are very popular on all road bike models. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The 40 comes with Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.