2025 Koga Colmaro Allroad

	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	281mm	281mm	281mm	281mm	281mm
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	81.7mm very high	75mm high	71.7mm high	71.7mm high	68.4mm high
Mechanical Trail	76.8mm	70.9mm	68mm	68mm	65mm
Wheel Flop	26.3mm	23.1mm	21.6mm	21.6mm	20.1mm
Tire to Pedal Spindle	89.1mm 170 mm cranks	88.1mm 170 mm cranks	93.1mm 170 mm cranks	109mm 170 mm cranks	116.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	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://www.koga.com/nl/racefietsen/colmaro-allroad-silk-red.htm?frame=H

Geometry