2021 Polygon Bikes Vander T7 Alloy, 27.5, 130mm Fork

	S	M	L	XL
Stack	583mm	587mm	597mm	606mm
Reach	423mm	442mm	460mm	476mm
Stack to Reach Ratio	1.38:1	1.33:1	1.3:1	1.27:1
Seat Tube Length, Unknown	375mm	430mm	480mm	530mm
Seat Tube Length, Effective Unknown	72.1mm	72.1mm	72.1mm	72.1mm
Top Tube Length, Effective/Horizontal Center	585mm	605mm	626mm	645mm
Top Tube Slope	23deg	17.2deg	12.9deg	8.8deg
Head Tube Angle	66deg	66deg	66deg	66deg
Seat Tube Angle	74.5deg	74.5deg	74.5deg	74.5deg
Head Tube Length	110mm	115mm	125mm	135mm
Bottom Bracket Drop	21.5mm	21.5mm	21.5mm	21.5mm
Bottom Bracket Height	334mm	334mm	334mm	334mm
Chainstay Length	438mm	438mm	438mm	438mm
Chainstay Length Horizontal	437.5mm	437.5mm	437.5mm	437.5mm
Front-Center	718.9mm	739.8mm	761.8mm	781.8mm
Front-Center Horizontal	718.5mm	739.5mm	761.5mm	781.5mm
Wheelbase	1156mm	1177mm	1199mm	1219mm
Fork Offset/Rake	24mm	24mm	24mm	24mm
Trail	132mm very high	132mm very high	132mm very high	132mm very high
Mechanical Trail	120.6mm	120.6mm	120.6mm	120.6mm
Wheel Flop	49.1mm	49.1mm	49.1mm	49.1mm
Standover Height	731mm	748mm	778mm	793mm
Tire to Pedal Spindle	193.4mm 170 mm cranks	214.3mm 170 mm cranks	236.3mm 170 mm cranks	256.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	164mm 170 mm cranks	164mm 170 mm cranks	164mm 170 mm cranks	164mm 170 mm cranks

Published Sizing Recommendations

Height

4 ft 3 in

4 ft 8 in

42 ft 6 in

5 ft 1 in

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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