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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	360	389	395	465	419
Stack	508	640	556	711	751
Top Tube (effective)	534	444	517	625	526
Seat Tube C-T	444	564	612	648	685
Head Angle	76	61	63	66	70
Seat Angle	86	78	63	84	84
Head Tube	102	135	174	172	185
Chainstay	472	369	412	367	359
Wheelbase	838	1119	960	847	1076
Front Centre	686	629	494	673	650
BB Drop	67	72	77	53	64
Fork Rake / Offset	53	38	39	38	50
Fork Length (A2C)	421	506	425	453	488
Data Source	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer

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