2021 Vitus Bikes six Base

	XS	S	M	L	XL
Stack	498mm	513mm	527mm	541mm	560mm
Reach	373mm	388mm	403mm	419mm	428mm
Stack to Reach Ratio	1.34:1	1.32:1	1.31:1	1.29:1	1.31:1
Seat Tube Length, C-T	510mm	530mm	550mm	570mm	590mm
Seat Tube Length, C-C	467mm	487mm	507mm	527mm	547mm
Top Tube Length, Effective/Horizontal HT Top	521mm	540mm	560mm	580mm	595mm
Top Tube Slope	1deg	0.5deg	0deg	-0.5deg	-0.5deg
Head Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	110mm	125mm	140mm	155mm	175mm
Bottom Bracket Drop	53mm	53mm	53mm	53mm	53mm
Bottom Bracket Height	283mm	283mm	283mm	283mm	283mm
Chainstay Length	390mm	390mm	390mm	390mm	390mm
Chainstay Length Horizontal	386.4mm	386.4mm	386.4mm	386.4mm	386.4mm
Front-Center	552.7mm	571.6mm	591.5mm	611.4mm	626.4mm
Front-Center Horizontal	550.1mm	569.1mm	589.1mm	609.1mm	624.1mm
Wheelbase	936.5mm	955.5mm	975.5mm	995.5mm	1010.5mm
Fork Offset/Rake	43mm	43mm	43mm	43mm	43mm
Fork Length (On-Axis)	369mm	369mm	369mm	369mm	369mm
Trail	54.7mm mid/neutral	54.7mm mid/neutral	54.7mm mid/neutral	54.7mm mid/neutral	54.7mm mid/neutral
Mechanical Trail	52.4mm	52.4mm	52.4mm	52.4mm	52.4mm
Wheel Flop	14.9mm	14.9mm	14.9mm	14.9mm	14.9mm
Tire to Pedal Spindle	51.7mm 165 mm cranks	70.6mm 165 mm cranks	85.5mm 170 mm cranks	105.4mm 170 mm cranks	115.4mm 175 mm cranks
Pedal Spindle to Ground Clearance	118mm 165 mm cranks	118mm 165 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	108mm 175 mm cranks

Published Sizing Recommendations

Height

152 cm

165 cm

163 cm

173 cm

184 cm

183 cm

190 cm

200 cm

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://vitusbikes.com/products/six-single-speed-bike