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2025 Principia

C20

A carbon frame gravel bike with high-end components and shimano grx 800 hydraulic disc brakes.

Manufacturer Price

€2,999($3,488)
Price History
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 12
GroupsetGRX 800, GRX 600
BrakesShimano GRX 800 Hydraulic Disc
View on principiabikes.comLearn about Principia
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
C20
Other Gravel bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

36 mph

C20

36 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Price History
Geometry
Specs
Build
Frame

Carbon

Tire Clearance: 50c

Colors: Black; Copper; Orange; Sand

Fork

Principia CHK11 Monocoque Full Carbon

Stem

FSA ST-OS-185 NS SMR alloy 31,8x90mm -6°

Handlebar

FSA A-Wing Pro, 31,8mm/440mm

Saddle

Foming DDK-510

Seatpost

Kalloy SP-369, aluminium, 27.2x350mm

Type: Rigid

Pedals

Not included

Groupset
Rear Derailleur

Shimano GRX RX820

Front Derailleur

Shimano GRX RX820

Crank

Shimano GRX RX610 46-30T 170mm

Cassette

Shimano CS-HG710 12sp 11-36T

Chain

Shimano CN-M6100, 118L

Brakes

Front: Shimano GRX RX820 hydraulic disc brake, 160 mm. rotor, Rear: Shimano GRX RX820 hydraulic disc brake, 160 mm. rotor

Type: Shimano GRX 800 Hydraulic Disc

Wheels
Rims

Gravel double butted aluminium

Tires

Panaracer GravelKing SK 700x43C black/brown

Rider Notes
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First added October 25

Last updated May 30