2022 Pronghorn Alu gravel Base

	Small	Medium	Large	X-Large
Stack	555mm	580mm	605mm	630mm
Reach	375mm	385mm	395mm	405mm
Stack to Reach Ratio	1.48:1	1.51:1	1.53:1	1.56:1
Seat Tube Length, C-T	480mm	510mm	540mm	580mm
Top Tube Length, Effective/Horizontal Unknown	539mm	557mm	574mm	592mm
Top Tube Slope	10.5deg	9.8deg	9deg	7.4deg
Head Tube Angle	70.8deg	70.8deg	70.8deg	71.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	128mm	155mm	184mm	207mm
Bottom Bracket Drop	75mm	75mm	72.5mm	72.5mm
Bottom Bracket Height	276mm	276mm	278.5mm	278.5mm
Chainstay Length	420mm	425mm	430mm	430mm
Chainstay Length Horizontal	413.3mm	418.3mm	423.8mm	423.8mm
Front-Center	600.5mm	619.2mm	638.3mm	649.2mm
Front-Center Horizontal	595.8mm	614.7mm	634.2mm	645.2mm
Wheelbase	1009mm	1033mm	1058mm	1069mm
Fork Offset/Rake	50.6mm	50.8mm	50.7mm	50.9mm
Trail	68.6mm high	68.4mm high	68.5mm high	63.8mm mid/neutral
Mechanical Trail	64.8mm	64.6mm	64.7mm	60.5mm
Wheel Flop	21.3mm	21.3mm	21.3mm	19.2mm
Tire to Pedal Spindle	79.5mm 170 mm cranks	98.2mm 170 mm cranks	117.3mm 170 mm cranks	128.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	106mm 170 mm cranks	106mm 170 mm cranks	108.5mm 170 mm cranks	108.5mm 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://pronghorn.dk/gravel/alu-carbon-gravel

Geometry