principia 20 2024
2024 Road
Estimate price |
1,511$
Weight | 12.1 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Groupset Tiagra -
Suspension Rigid -
Drivetrain 2 × 10 -
Brakes Mechanical Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Aluminium
Suspension Fork
Aluminium
Drivetrain
Rear Derailleur
Shimano Tiagra 4700
Front Derailleur
Shimano Tiagra 4700
Cassette
Sunrace CSMS1 10sp 11-34T
Crank
Aluminium 50/34T
Pedals
Not included
Wheels
Rims
28in (700)
Tires
Panaracer GravelKing SK 700x38C
Brakes
Brakes
Front: Tektro MD-C400 mechanical disc brake, 160 mm. rotor, Rear: Tektro MD-C400 mechanical disc brake, 160 mm. rotor
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 45cm | 50cm | 55cm | 61cm |
|---|---|---|---|---|
| Stack Reach Ratio | 1.414 mm | 1.465 mm | 1.454 mm | 1.58 mm |
| Bottom Bracket Height | 284 mm | 284 mm | 284 mm | 284 mm |
| Front Center | 639 mm | 638 mm | 638 mm | 649 mm |
| Rake | 50 mm | 50 mm | 50 mm | 50 mm |
| Trail | 73.82 mm | 67.29 mm | 64.05 mm | 54.42 mm |
| Stack | 565.67 mm | 588.61 mm | 590.63 mm | 653.81 mm |
| Reach | 400.13 mm | 401.76 mm | 406.2 mm | 413.68 mm |
| Top Tube Length | 557 mm | 565 mm | 570 mm | 595 mm |
| Seat Tube Angle | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° |
| Seat Tube Length | 450 mm | 500 mm | 550 mm | 610 mm |
| Head Tube Angle | 70 ° | 71 ° | 71.5 ° | 73 ° |
| Head Tube Length | 135 mm | 155 mm | 155 mm | 155 mm |
| Chainstay Length | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1065 mm | 1065 mm | 1064 mm | 1076 mm |
| Bottom Bracket Drop | 65 mm | 65 mm | 65 mm | 65 mm |
| Standover Height | 717 mm | 762 mm | 800 mm | 861 mm |
| Wheels | 700 | 700 | 700 | 700 |