Principia Gravel 10 / 20 (previous generation) geometry
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Size 45cm
Render
Align
Geometry
| Size | 45cm | 50cm | 55cm | 61cm |
|---|---|---|---|---|
| Stack mm | 565.7 | 588.6 | 590.6 | 653.8 |
| Reach mm | 400.1 | 401.8 | 406.2 | 413.7 |
| Head tube angle ° | 70.0 | 71.0 | 71.5 | 73.0 |
| Seat tube angle ° | 74.5 | 74.5 | 74.5 | 74.5 |
| Head tube length mm | 135 | 155 | 155 | 155 |
| Seat tube mm | 450 | 500 | 550 | 610 |
| Chainstay mm | 435 | 435 | 435 | 435 |
| BB drop mm | 65 | 65 | 65 | 65 |
| Stack to reach | 1.41 | 1.47 | 1.45 | 1.58 |
| Effective top tube mmi | 557 | 565 | 570 | 595 |
Size45cmkey specs
Stack-to-reach (size 45cm)1.41More aggressive (lower and longer) than 95% of gravel frames in the database at comparable sizes.
Closest geometry matches (size 45cm)
Matched by stack, reach and head tube angle.
More from Principia
Nearest size to the Gravel 10 / 20 45cm.