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Principia Gravel 30 2026

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Geometry

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	48cm	51cm	54cm	56cm	59cm
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Reach	397	383	440	402	380
Stack	520	605	708	666	675
Top Tube (effective)	466	639	492	666	534
Seat Tube C-T	546	412	575	621	600
Head Angle	77	83	78	66	71
Seat Angle	72	76	63	59	71
Head Tube	113	151	171	158	165
Chainstay	423	443	516	486	486
Wheelbase	1134	1118	831	1020	975
Front Centre	633	537	557	720	522
BB Drop	57	55	72	56	79
Fork Rake / Offset	50	47	49	50	46
Fork Length (A2C)	454	361	408	443	426
Data Source	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer

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