2024 GT Bicycles Grade X

	SM	MD	LG	XL
Stack	550mm	577mm	603mm	630mm
Reach	385mm	405mm	425mm	445mm
Stack to Reach Ratio	1.43:1	1.42:1	1.42:1	1.42:1
Seat Tube Length, C-T	450mm	500mm	550mm	600mm
Top Tube Length, Effective/Horizontal HT Top	553mm	581mm	609mm	638mm
Top Tube Slope	13deg	10.2deg	7.5deg	5.2deg
Head Tube Angle	70deg	70deg	70deg	70deg
Seat Tube Angle	73deg	73deg	73deg	73deg
Head Tube Length	106mm	134mm	162mm	191mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm
Bottom Bracket Height	278mm	278mm	278mm	278mm
Chainstay Length	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	423.4mm	423.4mm	423.4mm	423.4mm
Front-Center	621mm	650mm	680mm	710mm
Front-Center Horizontal	616.6mm	645.6mm	675.6mm	705.6mm
Wheelbase	1040mm	1069mm	1099mm	1129mm
Fork Offset/Rake	51mm	51mm	51mm	51mm
Trail	74.2mm high	74.2mm high	74.2mm high	74.2mm high
Mechanical Trail	69.7mm	69.7mm	69.7mm	69.7mm
Wheel Flop	23.9mm	23.9mm	23.9mm	23.9mm
Standover Height	730mm	753mm	792mm	816mm
Tire to Pedal Spindle	98mm 170 mm cranks	127mm 170 mm cranks	157mm 170 mm cranks	187mm 170 mm cranks
Pedal Spindle to Ground Clearance	108mm 170 mm cranks	108mm 170 mm cranks	108mm 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://gtbicycles.com/collections/gravel-bikes/products/grade-carbon-x?variant=45862854525225

Geometry