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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	374	333	348	463	368
Stack	600	536	482	665	737
Top Tube (effective)	451	568	517	503	671
Seat Tube C-T	511	590	535	481	483
Head Angle	80	74	67	69	82
Seat Angle	65	72	75	70	86
Head Tube	123	151	141	208	228
Chainstay	497	428	387	360	435
Wheelbase	903	1207	1023	1064	1052
Front Centre	596	627	698	584	750
BB Drop	58	73	60	73	74
Fork Rake / Offset	37	45	47	52	47
Fork Length (A2C)	351	355	508	501	469
Data Source	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer

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