Name: 2026 OG-EVKIN LOONG Base
Brand: OG-EVKIN

	S	M	L	XL
Stack	511.6mm	525.4mm	546.2mm	559.4mm
Reach	370.8mm	379.7mm	389.7mm	397.4mm
Stack to Reach Ratio	1.38:1	1.38:1	1.4:1	1.41:1
Seat Tube Length, Unknown	440mm	460mm	480mm	500mm
Top Tube Length, Effective/Horizontal Unknown	517.5mm	530.4mm	548.4mm	561.1mm
Top Tube Slope	10.2deg	9.3deg	9.3deg	8.4deg
Head Tube Angle	71deg	72deg	72.5deg	72.5deg
Seat Tube Angle	74deg	74deg	73.8deg	73.5deg
Head Tube Length	110mm	121mm	141mm	155mm
Bottom Bracket Drop	68mm	68mm	68mm	68mm
Bottom Bracket Height	275mm	275mm	275mm	275mm
Chainstay Length	405mm	405mm	405mm	405mm
Chainstay Length Horizontal	399.3mm	399.3mm	399.3mm	399.3mm
Front-Center	573.1mm	577.6mm	589.5mm	601.3mm
Front-Center Horizontal	569.1mm	573.6mm	585.6mm	597.5mm
Wheelbase	968.3mm	972.8mm	984.8mm	996.7mm
Fork Offset/Rake	43mm	43mm	43mm	43mm
Fork Length, Unknown	374mm	374mm	374mm	374mm
Trail	72.6mm high	66.2mm high	63.1mm mid/neutral	63.1mm mid/neutral
Mechanical Trail	68.7mm	63mm	60.1mm	60.1mm
Wheel Flop	22.4mm	19.5mm	18.1mm	18.1mm
Tire to Pedal Spindle	60.1mm 170 mm cranks	64.6mm 170 mm cranks	76.5mm 170 mm cranks	88.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 170 mm cranks	105mm 170 mm cranks	105mm 170 mm cranks	105mm 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 OG-EVKIN LOONG Base

Geometry