2025 Koga Colmaro Adventure

	XS	S	M	L	XL
Stack	546mm	559mm	580mm	599mm	620mm
Reach	384mm	388mm	391mm	400mm	407mm
Stack to Reach Ratio	1.42:1	1.44:1	1.48:1	1.5:1	1.52:1
Seat Tube Length, C-T	470mm	490mm	520mm	550mm	580mm
Top Tube Slope	10.4deg	9.6deg	8.6deg	7.3deg	6.4deg
Head Tube Angle	70deg	71deg	71.5deg	71.5deg	72deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	120mm	130mm	150mm	170mm	190mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm	75mm
Bottom Bracket Height	276mm	276mm	276mm	276mm	276mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428.5mm	428.5mm	428.5mm	428.5mm	428.5mm
Front-Center	615.1mm	614.1mm	619.1mm	635mm	642.9mm
Front-Center Horizontal	610.5mm	609.5mm	614.5mm	630.5mm	638.5mm
Wheelbase	1039mm	1038mm	1043mm	1059mm	1067mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Trail	79.9mm high	73.3mm high	70mm high	70mm high	66.7mm high
Mechanical Trail	75.1mm	69.3mm	66.4mm	66.4mm	63.5mm
Wheel Flop	25.7mm	22.6mm	21.1mm	21.1mm	19.6mm
Tire to Pedal Spindle	94.1mm 170 mm cranks	93.1mm 170 mm cranks	98.1mm 170 mm cranks	114mm 170 mm cranks	121.9mm 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.

Category Trend

Source:https://www.koga.com/nl/racefietsen/colmaro-adventure.htm?frame=H

Geometry