2023 Koga Kinsei Base

	Medium	Small	Extra Large	Large
Stack	489mm	444mm	567mm	521mm
Reach	453mm	473mm	459mm	473mm
Stack to Reach Ratio	1.08:1	0.94:1	1.24:1	1.1:1
Seat Tube Length, Unknown	500mm	520mm	540mm	560mm
Top Tube Length, Effective/Horizontal Unknown	598mm	605mm	627mm	627mm
Top Tube Slope	0.8deg	-5.2deg	4.5deg	-1.6deg
Head Tube Angle	74deg	74deg	74deg	74deg
Seat Tube Angle	74deg	74deg	74deg	74deg
Head Tube Length	105mm	58mm	186mm	138mm
Bottom Bracket Drop	55mm	55mm	55mm	55mm
Bottom Bracket Height	277mm	277mm	277mm	277mm
Chainstay Length	370mm	370mm	370mm	370mm
Chainstay Length Horizontal	365.9mm	365.9mm	365.9mm	365.9mm
Front-Center	623.5mm	631.5mm	652.4mm	652.4mm
Front-Center Horizontal	621mm	628mm	650mm	650mm
Wheelbase	987mm	995mm	1016mm	1016mm
Fork Offset/Rake	42mm	42mm	42mm	42mm
Trail	51.5mm mid/neutral	51.5mm mid/neutral	51.5mm mid/neutral	51.5mm mid/neutral
Mechanical Trail	49.5mm	49.5mm	49.5mm	49.5mm
Wheel Flop	13.7mm	13.7mm	13.7mm	13.7mm
Tire to Pedal Spindle	121.5mm 170 mm cranks	129.5mm 170 mm cranks	150.4mm 170 mm cranks	150.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	107mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks	107mm 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.velodrome.shop/kinseigeo1.png

Geometry