2024 Spiro Origen CARBONO GRAVEL Base

	XS	S	M	L	XL
Stack	529mm	545mm	560mm	576mm	605mm
Reach	377mm	383.4mm	389mm	394.5mm	400.5mm
Stack to Reach Ratio	1.4:1	1.42:1	1.44:1	1.46:1	1.51:1
Seat Tube Length, C-T	405mm	440mm	473mm	500mm	525mm
Top Tube Length, Unknown	528.4mm	545mm	555mm	565mm	580mm
Top Tube Slope	16deg	13.6deg	11.5deg	10.3deg	10.5deg
Head Tube Angle	70.5deg	71deg	72deg	72.5deg	72.5deg
Seat Tube Angle	74deg	73.5deg	73.5deg	72.5deg	73.5deg
Head Tube Length	105mm	120mm	130mm	145mm	175mm
Bottom Bracket Drop	80mm	80mm	80mm	80mm	80mm
Bottom Bracket Height	278mm	278mm	278mm	278mm	278mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	417.4mm	417.4mm	417.4mm	417.4mm	417.4mm
Front-Center	594mm	601.9mm	602.9mm	608.9mm	623.8mm
Front-Center Horizontal	588.6mm	596.6mm	597.6mm	603.6mm	618.6mm
Wheelbase	1006mm	1014mm	1015mm	1021mm	1036mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Trail	73.7mm high	70.4mm high	63.8mm mid/neutral	60.5mm mid/neutral	60.5mm mid/neutral
Mechanical Trail	69.5mm	66.6mm	60.6mm	57.7mm	57.7mm
Wheel Flop	23.2mm	21.7mm	18.7mm	17.3mm	17.3mm
Tire to Pedal Spindle	66mm 170 mm cranks	73.9mm 170 mm cranks	74.9mm 170 mm cranks	80.9mm 170 mm cranks	95.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks

Published Sizing Recommendations

Height

153 cm

162 cm

163 cm

170 cm

171 cm

178 cm

179 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.

Category Trend

Source:https://spirobicycles.com/products/bicicleta-de-gravel-en-carbono-origen-cumbia