2026 BH GRAVELX 1.5

	XS	SM	MD	LA	XL
Stack	510mm	540mm	556mm	577mm	598mm
Reach	366mm	370mm	377mm	387mm	398mm
Stack to Reach Ratio	1.39:1	1.46:1	1.47:1	1.49:1	1.5:1
Seat Tube Length, Unknown	478mm	500mm	520mm	540mm	560mm
Top Tube Length, Effective/Horizontal Center	503mm	527mm	548mm	567mm	587mm
Top Tube Slope	5.6deg	6.7deg	6.3deg	6.4deg	6.4deg
Head Tube Angle	69.5deg	70.5deg	71deg	71.5deg	72deg
Seat Tube Angle	75deg	73.75deg	73deg	72.75deg	72.5deg
Head Tube Length	100mm	120mm	140mm	160mm	180mm
Bottom Bracket Drop	67mm	75mm	73mm	73mm	71mm
Bottom Bracket Height	282mm	274mm	276mm	276mm	278mm
Chainstay Length	426mm	426mm	426mm	426mm	426mm
Chainstay Length Horizontal	420.7mm	419.4mm	419.7mm	419.7mm	420mm
Front-Center	584mm	591mm	602mm	614mm	626mm
Front-Center Horizontal	579.3mm	589.7mm	599.3mm	611.3mm	624mm
Wheelbase	1000mm	1009mm	1019mm	1031mm	1044mm
Fork Offset/Rake	47mm	47mm	47mm	47mm	47mm
Fork Length (On-Axis)	389mm	390mm	390mm	390mm	390mm
Trail	80.3mm very high	73.7mm high	70.5mm high	67.2mm high	64mm mid/neutral
Mechanical Trail	75.2mm	69.5mm	66.6mm	63.7mm	60.9mm
Wheel Flop	26.3mm	23.2mm	21.7mm	20.2mm	18.8mm
Tire to Pedal Spindle	65mm 170 mm cranks	72mm 170 mm cranks	83mm 170 mm cranks	95mm 170 mm cranks	107mm 170 mm cranks
Pedal Spindle to Ground Clearance	112mm 170 mm cranks	104mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks	108mm 170 mm cranks

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.

Category Trend

Source:https://www.bhbikes.com/en_INT/bikes/road/adventure-and-gravel/gravelx-1-5-lg156?c=rrg

Geometry