	XS	S	M	M/L	L	XL	XXL
Stack	619mm	633mm	642mm	651mm	655.5mm	660mm	664.5mm
Reach	420mm	440mm	460mm	480mm	500mm	510mm	520mm
Stack to Reach Ratio	1.47:1	1.44:1	1.4:1	1.36:1	1.31:1	1.29:1	1.28:1
Seat Tube Length, Unknown	340mm	360mm	380mm	400mm	420mm	440mm	460mm
Head Tube Angle	65deg	65deg	65deg	65deg	65deg	65deg	65deg
Effective Seat Tube Angle, ETT HT Top	78.6deg	78.8deg	78.6deg	78.4deg	78.2deg	78deg	77.8deg
Seat Tube Exit Angle	73.4deg	73.4deg	73.4deg	73.4deg	73.4deg	73.4deg	73.4deg
Head Tube Length	95mm	110mm	120mm	130mm	135mm	140mm	145mm
Bottom Bracket Drop	30mm	30mm	30mm	30mm	30mm	30mm	30mm
Bottom Bracket Height	342mm	342mm	342mm	342mm	342mm	342mm	342mm
Chainstay Length	435mm	435mm	435mm	435mm	445mm	445mm	445mm
Chainstay Length Horizontal	434mm	434mm	434mm	434mm	444mm	444mm	444mm
Front-Center	743.6mm	770.6mm	794.6mm	818.6mm	840.6mm	853.5mm	864.5mm
Front-Center Horizontal	743mm	770mm	794mm	818mm	840mm	853mm	864mm
Wheelbase	1177mm	1204mm	1228mm	1252mm	1284mm	1297mm	1308mm
Fork Offset/Rake	44mm	44mm	44mm	44mm	44mm	44mm	44mm
Fork Length (Axle-To-Crown)	563.7mm	563.7mm	563.7mm	563.7mm	563.7mm	563.7mm	563.7mm
Trail	124.9mm very high	124.9mm very high	124.9mm very high	124.9mm very high	124.9mm very high	124.9mm very high	124.9mm very high
Mechanical Trail	113.2mm	113.2mm	113.2mm	113.2mm	113.2mm	113.2mm	113.2mm
Wheel Flop	47.8mm	47.8mm	47.8mm	47.8mm	47.8mm	47.8mm	47.8mm
Standover Height	804mm	821mm	835mm	850mm	852mm	854mm	861mm
Tire to Pedal Spindle	201.7mm 170 mm cranks	228.7mm 170 mm cranks	252.6mm 170 mm cranks	276.6mm 170 mm cranks	298.6mm 170 mm cranks	311.6mm 170 mm cranks	322.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	172mm 170 mm cranks	172mm 170 mm cranks	172mm 170 mm cranks	172mm 170 mm cranks	172mm 170 mm cranks	172mm 170 mm cranks	172mm 170 mm cranks

	XS	S	M	M/L	L	XL	XXL
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	2.4in	2.4in	2.4in	2.4in	2.4in	2.4in	2.4in
Tire Width Max	2.6in	2.6in	2.6in	2.6in	2.6in	2.6in	2.6in
Tire Outer Diameter	743.9mm	743.9mm	743.9mm	743.9mm	743.9mm	743.9mm	743.9mm
Bike Length with Tires	1920.9mm	1947.9mm	1971.9mm	1995.9mm	2027.9mm	2040.9mm	2051.9mm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale

Category Trend

Full-suspension Trail MTB

Source:https://www.stinnerframeworks.com/collections/romero-model-landing-page/products/romero-medium-travel-frame-and-fork

Suggest Bike Edit

2026 Stinner Frameworks Romero MT

Geometry

MT Build

Stack and Reach vs. Category Trend