2019 Van Nicholas Zion Base

	15,5	17,5	19	21
Stack	621mm	621mm	621mm	625mm
Reach	386mm	406mm	425mm	450mm
Stack to Reach Ratio	1.61:1	1.53:1	1.46:1	1.39:1
Seat Tube Length, C-T	394mm	445mm	483mm	533mm
Top Tube Length, Effective/Horizontal Center	570mm	590mm	615mm	640mm
Top Tube Slope	26deg	20.1deg	15.7deg	10.8deg
Head Tube Angle	71deg	71deg	71deg	71deg
Seat Tube Angle	73.5deg	73.5deg	73deg	73deg
Head Tube Length	110mm	110mm	110mm	115mm
Bottom Bracket Drop	63.5mm	63.5mm	63.5mm	63.5mm
Bottom Bracket Height	303.4mm	303.4mm	303.4mm	303.4mm
Chainstay Length	437mm	437mm	437mm	437mm
Chainstay Length Horizontal	432.4mm	432.4mm	432.4mm	432.4mm
Front-Center	628mm	649mm	668mm	693mm
Front-Center Horizontal	625.6mm	645.6mm	664.6mm	689.6mm
Wheelbase	1058mm	1078mm	1097mm	1122mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Trail	78.7mm high	78.7mm high	78.7mm high	78.7mm high
Mechanical Trail	74.4mm	74.4mm	74.4mm	74.4mm
Wheel Flop	24.2mm	24.2mm	24.2mm	24.2mm
Tire to Pedal Spindle	91.1mm 170 mm cranks	112.1mm 170 mm cranks	131.1mm 170 mm cranks	156.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	133.4mm 170 mm cranks	133.4mm 170 mm cranks	133.4mm 170 mm cranks	133.4mm 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:www.vanicholas.com

Geometry