2023 Principia Gravel 30 Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Aluminum
- Features
- Disc brake
Geometry
48cm | 51cm | 54cm | 56cm | 58cm | 61cm | |
Stack | 555.3mm | 555.3mm | 578.2mm | 601.2mm | 622.2mm | 617.4mm |
Reach | 366.8mm | 366.8mm | 371.2mm | 376.9mm | 385.7mm | 394.6mm |
Stack to Reach Ratio | 1.51:1 | 1.51:1 | 1.56:1 | 1.59:1 | 1.61:1 | 1.56:1 |
Seat Tube Length, Unknown | 460mm | 490mm | 520mm | 540mm | 560mm | 590mm |
Top Tube Length, Actual C-C | 526mm | 526mm | 537mm | 555mm | 570mm | 584.5mm |
Top Tube Slope | 12.9deg | 9.5deg | 8.7deg | 8.9deg | 8.9deg | 5.3deg |
Head Tube Angle | 69.5deg | 69.5deg | 70.5deg | 71.5deg | 72deg | 72deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 73.5deg | 73.5deg | 73.5deg |
Head Tube Length | 115mm | 115mm | 135mm | 155mm | 175mm | 195mm |
Bottom Bracket Drop | 67mm | 67mm | 67mm | 67mm | 67mm | 67mm |
Bottom Bracket Height | 282mm | 282mm | 282mm | 282mm | 282mm | 282mm |
Chainstay Length | 445mm | 445mm | 445mm | 445mm | 445mm | 445mm |
Chainstay Length Horizontal | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm |
Front-Center | 606.4mm | 606.4mm | 609mm | 612.1mm | 621.6mm | 637.2mm |
Front-Center Horizontal | 602.7mm | 602.7mm | 605.3mm | 608.4mm | 618mm | 633.7mm |
Wheelbase | 1042.6mm | 1042.6mm | 1045.2mm | 1048.3mm | 1057.9mm | 1073.6mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm | 49.4mm | 57.3mm |
Trail | 77.1mm high | 77.1mm high | 70.6mm high | 64.1mm mid/neutral | 61.5mm mid/neutral | 53.1mm mid/neutral |
Mechanical Trail | 72.2mm | 72.2mm | 66.5mm | 60.8mm | 58.5mm | 50.5mm |
Wheel Flop | 25.3mm | 25.3mm | 22.2mm | 19.3mm | 18.1mm | 15.6mm |
Standover Height | 732mm | 754mm | 779mm | 803mm | 823mm | 850mm |
Tire to Pedal Spindle | 87.4mm 170 mm cranks | 87.4mm 170 mm cranks | 90mm 170 mm cranks | 93.1mm 170 mm cranks | 102.6mm 170 mm cranks | 118.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 112mm 170 mm cranks | 112mm 170 mm cranks | 112mm 170 mm cranks | 112mm 170 mm cranks | 112mm 170 mm cranks | 112mm 170 mm cranks |
Base Build
48cm | 51cm | 54cm | 56cm | 58cm | 61cm | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 38mm | 38mm | 38mm | 38mm | 38mm | 38mm |
Tire Outer Diameter | 698mm | 698mm | 698mm | 698mm | 698mm | 698mm |
Bike Length with Tires | 1740.6mm | 1740.6mm | 1743.2mm | 1746.3mm | 1755.9mm | 1771.6mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
All-road/GravelSource:https://principia.dk/gravel/gravel-alu/gravel-30---groen-pg-2121