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2023 Principia

RD4

A carbon frame race bike with high-end components and sram force hydraulic disc brakes.

Manufacturer Price

€4,999($5,813)
FrameCarbon
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 12 Electronic
GroupsetForce, Force eTap
BrakesSRAM Force 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
Terrain
smoothrugged
RD4
Other Race 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)

41 mph

RD4

40 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.

Geometry
Specs
Build
Frame

Full monocoque carbon

Colors: Black; Green

Fork

Full monocoque carbon

Headset

FSA No 42 1 1/8"

Handlebar

Ritchey Comp Evo Curve, 420 mm.

Saddle

Ritchey Comp Streem

Seatpost

Ritchey Comp 2-Bolt Aluminium, 31,6x400mm

Type: Rigid

Pedals

Not included

Groupset
Rear Derailleur

SRAM Force eTap AXS

Front Derailleur

SRAM Force eTap AXS

Crank

SRAM Force D2 Dub 48/35T

Cassette

SRAM Force CS XG-1270 12sp 10-33T

Chain

SRAM Force

Brakes

Front: SRAM Force hydraulic disc brake, Rear: SRAM Force hydraulic disc brake

Type: SRAM Force Hydraulic Disc

Wheels
Rims

Miche Reflex DX

Tires

Panaracer Race D Evo4 700x28C

Rider Notes
Riders Also Viewed

First added September 21

Last updated July 13

Not listed for 685 days