Marin Gestalt 1

An adventure-ready gravel bike from 2025, made in 6 sizes from 50 to 60.

Size

Stack 582 mmReach 377 mm

Geometry

Marin Gestalt 1 geometry by frame size
Size
Fit
Stack (mm)How high the front sits	552	568	582	601	620	641
Reach (mm)How far forward the bars start	367	372	377	387	402	404
Stack ÷ reach Higher = more upright	1.50	1.53	1.54	1.55	1.54	1.59
Top tube (effective) (mm)Horizontal top-tube length	520	535	549	565	586	600
Seat tube angle Saddle position over the pedals	74.5°	74°	73.5°	73.5°	73.5°	73°
Seat tube length (mm)Frame size reference	460	480	500	520	540	560
Head tube length (mm)Front-end height	120	135	150	170	190	210
Standover (mm)Clearance when you stop	714	732	755	775	794	814
Handling
Head tube angle Steeper = quicker steering	71°	71.5°	71.5°	71.5°	71.5°	71.5°
Fork offset (mm)Fork rake	50	50	50	50	50	50
Trail (mm)More = steadier steering	67	64	63	64	65	64
Wheelbase (mm)Longer = more stable	1008	1014	1024	1040	1060	1070
Chainstay (mm)Shorter = snappier	432	432	432	432	432	432
BB drop (mm)More = lower centre of gravity	78	78	78	78	78	78
BB height (mm)Pedal clearance in corners	258	258	258	258	258	258
Front centre (mm)Room for your toes	588	594	604	620	640	650

Underlined values are calculated by BikeLens. A dash means the brand doesn't publish it.

An upright, steady position that suits loaded bikes and long hours in the saddle.

Size 54 is more upright than 91% of the 106 gravel frames we track.

The closest gravel frames from other ranges, against size 54 here.

Bikes with a similar fit, compared with size 54 of this bike
Bike	Size	Stack	Reach
Wilier Jena2026Stack same, reach +5 mm	M	same	+5 mm
Giant Revolt Advanced 0 SE2026Stack +4 mm, reach +10 mm	M	+4 mm	+10 mm
Merida SILEX 3002024Stack +5 mm, reach +3 mm	XS	+5 mm	+3 mm
Cube Nuroad EX2026Stack +6 mm, reach +12 mm	M	+6 mm	+12 mm
MMR X-Grip-302026Stack +7 mm, reach +8 mm	L	+7 mm	+8 mm
Cannondale SuperX 12026Stack −7 mm, reach +8 mm	56	−7 mm	+8 mm

These builds share this exact geometry, so they fit the same.