Bike details
Key information split into simple groups.
Bike summary
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Category
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Frame Carbon
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Wheels 700c
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Groupset Ultegra Di2, XT
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Suspension Rigid
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Drivetrain 2 × 12 Electronic
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Brakes Hydraulic Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Full monocoque carbon
Suspension Fork
Full monocoque carbon
Drivetrain
Rear Derailleur
Shimano Ultegra Di2 R8150
Front Derailleur
Shimano Ultegra Di2 R8150
Shift Levers
Shimano Ultegra Di2 2x12
Cassette
Shimano Ultegra R8100 12sp 11-34T
Crank
Shimano FC-M8100-1 Hollowtech 2 32T 175mm
Bottom Bracket
Shimano SM-BB72 pressfit
Chain
Shimano CN-HG601-11
Pedals
Not included
Wheels
Rims
Miche Reflex DX
Tires
Panaracer Race D Evo4 700x28C
Brakes
Brakes
Front: Shimano hydraulic disc brake, Rear: Shimano hydraulic disc brake
Cockpit
Stem
Ritchey Comp 4-Axis-44 6D Aluminium, 31,8x100mm
Handlebar
Ritchey Comp Evo Curve, 420 mm.
Headset
FSA No 42 1 1/8"-1 1/5"
Seat
Saddle
Ritchey Comp Streem
Seatpost
Ritchey Comp 2-Bolt Aluminium, 31,6x400mm
Fit data
Numbers for sizing and ride feel.
| Size | 48cm | 51cm | 54cm | 57cm | 60cm |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.3 mm | 1.36 mm | 1.45 mm | 1.5 mm | 1.51 mm |
| Bottom Bracket Height | 270.5 mm | 273 mm | 273 mm | 275.5 mm | 275.5 mm |
| Front Center | 573 mm | 579 mm | 585 mm | 595 mm | 620 mm |
| Rake | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
| Trail | 59.3 mm | 59.3 mm | 56.4 mm | 56.4 mm | 56.4 mm |
| Stack | 495.8 mm | 517.1 mm | 552.2 mm | 573.6 mm | 602.3 mm |
| Reach | 381.1 mm | 380.3 mm | 379.9 mm | 383.1 mm | 399.3 mm |
| Top Tube Length | 520 mm | 535 mm | 545 mm | 560 mm | 585 mm |
| Seat Tube Angle | 74.5 ° | 73.5 ° | 73.5 ° | 73 ° | 73 ° |
| Seat Tube Length | 480 mm | 510 mm | 540 mm | 570 mm | 600 mm |
| Head Tube Angle | 72.5 ° | 72.5 ° | 73 ° | 73 ° | 73 ° |
| Head Tube Length | 95 mm | 120 mm | 155 mm | 180 mm | 210 mm |
| Chainstay Length | 403 mm | 403 mm | 403 mm | 405 mm | 405 mm |
| Wheelbase | 964 mm | 971 mm | 977 mm | 990 mm | 1015 mm |
| Bottom Bracket Drop | 72 mm | 70 mm | 70 mm | 67 mm | 67 mm |
| Standover Height | 713 mm | 739 mm | 769 mm | 797 mm | 825 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |
About this model
RD2 completes the Principia Rd2 model. There is 1 bike that carries this model name.
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.
General Road bikes average price
According to our calculations, the average cost of a General Road bike that is reliable is 1915$. However, you could also get a good General Road bike even if you pay a lower amount than the average price. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
This bike was released in 2023 and its price was 3503$. If we compare this with the average General Road bike cost we notice that the price is 82.92% higher.
RD2 components
Fork material
When it comes to the fork, this bike has a carbon one, so, it’s a great addition to the bike’s value. However, carbon forks should be regularly inspected for damage because even the smallest crack could cause the fork to fall apart.
Wheels
When leaving the production line, the RD2 model has 700c aluminum wheels. These wheels are the most used kind for road bikes in general. However, these wheels don’t perform so well when passing over obstacles.
Brakes
Nothing is more important on a bike than its ability to brake properly. Principia RD2 is equipped 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.
