Name: 2026 Light Cycling Gravel GF09
Brand: Light Cycling

	XS (46)	S (49)	M (52)	L (55)	XL (58)
Stack	560mm	574mm	586mm	607mm	628mm
Reach	380mm	385mm	391mm	394mm	407mm
Stack to Reach Ratio	1.47:1	1.49:1	1.5:1	1.54:1	1.54:1
Seat Tube Length, C-T	460mm	490mm	520mm	550mm	580mm
Top Tube Length, Effective/Horizontal HT Top	540mm	555mm	570mm	585mm	605mm
Top Tube Slope	13.1deg	11.2deg	9.3deg	8.4deg	7.3deg
Head Tube Angle	70deg	70deg	70.5deg	71deg	71.5deg
Seat Tube Angle	74deg	73.5deg	73deg	72.5deg	72.5deg
Head Tube Length	125mm	140mm	150mm	170mm	190mm
Bottom Bracket Drop	80mm	80mm	80mm	80mm	80mm
Bottom Bracket Height	276mm	276mm	276mm	276mm	276mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	422.5mm	422.5mm	422.5mm	422.5mm	422.5mm
Front-Center	618mm	629mm	634mm	639mm	653mm
Front-Center Horizontal	613.5mm	623.5mm	628.5mm	633.5mm	648.5mm
Wheelbase	1036mm	1046mm	1051mm	1056mm	1071mm
Fork Offset/Rake	55mm	55mm	55mm	55mm	55mm
Fork Length (Axle-To-Crown)	405mm	405mm	405mm	405mm	405mm
Trail	71mm high	71mm high	67.7mm high	64.4mm mid/neutral	61.1mm mid/neutral
Mechanical Trail	66.8mm	66.8mm	63.8mm	60.9mm	58mm
Wheel Flop	22.8mm	22.8mm	21.3mm	19.8mm	18.4mm
Tire to Pedal Spindle	92mm 170 mm cranks	103mm 170 mm cranks	108mm 170 mm cranks	113mm 170 mm cranks	127mm 170 mm cranks
Pedal Spindle to Ground Clearance	106mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks	106mm 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.

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2026 Light Cycling Gravel GF09

Geometry