2024 SPIRO Freedom Disc Aero Base

	XS	S	M	L	XL
Stack	521mm	537mm	553mm	574mm	590mm
Reach	363mm	373mm	382mm	395mm	400mm
Stack to Reach Ratio	1.44:1	1.44:1	1.45:1	1.45:1	1.48:1
Seat Tube Length, C-T	440mm	470mm	500mm	530mm	560mm
Top Tube Length, Effective/Horizontal HT Top	502.6mm	521.9mm	540.6mm	565mm	580.4mm
Top Tube Slope	11.4deg	9.6deg	7.9deg	6.9deg	5.5deg
Head Tube Angle	71.5deg	72deg	72.5deg	73deg	73deg
Seat Tube Angle	75deg	74.5deg	74deg	73.5deg	73deg
Head Tube Length	115mm	130mm	145mm	165mm	180mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm	60mm
Bottom Bracket Height	283mm	283mm	283mm	283mm	283mm
Chainstay Length	420mm	420mm	420mm	420mm	420mm
Chainstay Length Horizontal	415.7mm	415.7mm	415.7mm	415.7mm	415.7mm
Front-Center	563.5mm	574.5mm	584.4mm	598.3mm	603.3mm
Front-Center Horizontal	560.3mm	571.3mm	581.3mm	595.3mm	600.3mm
Wheelbase	976mm	987mm	997mm	1011mm	1016mm
Fork Offset/Rake	46mm	46mm	46mm	46mm	46mm
Fork Length (Axle-To-Crown)	375mm	375mm	375mm	375mm	375mm
Trail	66.3mm high	63.1mm mid/neutral	59.9mm mid/neutral	56.8mm mid/neutral	56.8mm mid/neutral
Mechanical Trail	62.8mm	60mm	57.1mm	54.3mm	54.3mm
Wheel Flop	19.9mm	18.5mm	17.2mm	15.9mm	15.9mm
Tire to Pedal Spindle	50.5mm 170 mm cranks	61.5mm 170 mm cranks	71.4mm 170 mm cranks	85.3mm 170 mm cranks	90.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks

Published Sizing Recommendations

Height

153 cm

162 cm

163 cm

170 cm

171 cm

178 cm

184 cm

185 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.

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Source:https://cdn.shopify.com/s/files/1/0527/0991/6846/files/Ficha-Geometria-Freedom-Disc-Aero.jpg?v=1741120816