2017 Koga Randonneur Mixed Base

	56	50	53	47
Stack	578mm	578mm	578mm	580mm
Reach	372mm	372mm	372mm	372mm
Stack to Reach Ratio	1.55:1	1.55:1	1.55:1	1.56:1
Seat Tube Length, C-T	560mm	500mm	530mm	470mm
Top Tube Length, Effective/Horizontal Center	571mm	571mm	571mm	570mm
Top Tube Slope	5deg	11.1deg	8deg	14.5deg
Head Tube Angle	71deg	71deg	71deg	71deg
Seat Tube Angle	71deg	71deg	71deg	71deg
Head Tube Length	165mm	165mm	165mm	165mm
Bottom Bracket Drop	57mm	57mm	57mm	59mm
Bottom Bracket Height	291mm	291mm	291mm	289mm
Chainstay Length	457mm	457mm	457mm	457mm
Chainstay Length Max	457mm	457mm	457mm	457mm
Chainstay Length Horizontal	453.4mm	453.4mm	453.4mm	453.2mm
Chainstay Length Horizontal Max	453.4mm	453.4mm	453.4mm	453.2mm
Front-Center	607.3mm	607.3mm	607.3mm	604.7mm
Front-Center Horizontal	604.6mm	604.6mm	604.6mm	601.8mm
Wheelbase	1058mm	1058mm	1058mm	1055mm
Wheelbase Max	1058mm	1058mm	1058mm	1055mm
Fork Offset/Rake	50mm	50mm	50mm	50mm
Trail	66.9mm high	66.9mm high	66.9mm high	66.9mm high
Mechanical Trail	63.3mm	63.3mm	63.3mm	63.3mm
Wheel Flop	20.6mm	20.6mm	20.6mm	20.6mm
Tire to Pedal Spindle	89.3mm 170 mm cranks	89.3mm 170 mm cranks	89.3mm 170 mm cranks	86.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	121mm 170 mm cranks	121mm 170 mm cranks	121mm 170 mm cranks	119mm 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:Bike Counterculture Geometry Database

Geometry