2024 S-PARTS Titanium Alloy Gravel Bike Frame Gravel Bike Base

	Small	Medium	Large
Stack	557.5mm	573.6mm	587.8mm
Reach	360.1mm	370.1mm	380.3mm
Stack to Reach Ratio	1.55:1	1.55:1	1.55:1
Seat Tube Length, Unknown	480mm	510mm	540mm
Top Tube Length, Effective/Horizontal Unknown	520mm	540mm	560mm
Top Tube Slope	11deg	9.3deg	7.6deg
Head Tube Angle	70.5deg	71deg	71deg
Seat Tube Angle	74deg	73.5deg	73deg
Head Tube Length	125mm	140mm	155mm
Bottom Bracket Drop	72mm	72mm	72mm
Bottom Bracket Height	281mm	281mm	281mm
Chainstay Length	435mm	435mm	435mm
Chainstay Length Horizontal	429mm	429mm	429mm
Front-Center	584.3mm	594.8mm	609.8mm
Front-Center Horizontal	579.8mm	590.4mm	605.5mm
Wheelbase	1008.8mm	1019.4mm	1034.5mm
Fork Offset/Rake	48mm	48mm	48mm
Fork Length, Unknown	389mm	389mm	389mm
Trail	74.1mm high	70.8mm high	70.8mm high
Mechanical Trail	69.8mm	66.9mm	66.9mm
Wheel Flop	23.3mm	21.8mm	21.8mm
Standover Height	770mm	790mm	810mm
Tire to Pedal Spindle	61.3mm 170 mm cranks	71.8mm 170 mm cranks	86.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	111mm 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://spartsti.com/products/gravelbikeframe

Geometry