2021/22 CHAPTER2 Toa Base

	XS	S	M	L	XL
Stack	502mm	527mm	552mm	577mm	602mm
Reach	363mm	372mm	381mm	390mm	399mm
Stack to Reach Ratio	1.38:1	1.42:1	1.45:1	1.48:1	1.51:1
Seat Tube Length, C-T	458mm	483mm	508mm	533mm	560mm
Top Tube Length, Effective/Horizontal Center	509mm	525mm	542mm	558mm	575mm
Top Tube Slope	7.2deg	7.1deg	7deg	6.9deg	6.6deg
Head Tube Angle	70.5deg	72.2deg	73.1deg	73.5deg	73.5deg
Seat Tube Angle	73.75deg	73.75deg	73.75deg	73.75deg	73.75deg
Head Tube Length	95mm	115mm	135mm	160mm	196mm
Bottom Bracket Drop	73mm	73mm	73mm	73mm	73mm
Bottom Bracket Height	270mm	270mm	270mm	270mm	270mm
Chainstay Length	408mm	408mm	408mm	408mm	408mm
Chainstay Length Horizontal	401.4mm	401.4mm	401.4mm	401.4mm	401.4mm
Front-Center	576mm	578mm	576mm	589mm	605mm
Front-Center Horizontal	571.6mm	573.6mm	571.6mm	584.6mm	600.6mm
Wheelbase	973mm	975mm	973mm	986mm	1002mm
Fork Offset/Rake	53mm	53mm	43mm	43mm	43mm
Trail	65.2mm high	54.5mm mid/neutral	59.3mm mid/neutral	56.8mm mid/neutral	56.8mm mid/neutral
Mechanical Trail	61.5mm	51.9mm	56.7mm	54.4mm	54.4mm
Wheel Flop	20.5mm	15.9mm	16.5mm	15.5mm	15.5mm
Standover Height	735mm	760mm	786mm	811mm	837mm
Tire to Pedal Spindle	63mm 170 mm cranks	65mm 170 mm cranks	63mm 170 mm cranks	76mm 170 mm cranks	92mm 170 mm cranks
Pedal Spindle to Ground Clearance	100mm 170 mm cranks	100mm 170 mm cranks	100mm 170 mm cranks	100mm 170 mm cranks	100mm 170 mm cranks

Published Sizing Recommendations

Height

160 cm

170 cm

165 cm

175 cm

170 cm

180 cm

175 cm

185 cm

180 cm

190 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://www.chapter2bikes.com/product/toa-tongariro/