2024 SPIRO Origen Carbono Base

	XS	S	M	L	XL
Stack	529mm	545mm	560mm	576mm	605mm
Reach	377mm	383mm	389mm	394mm	400mm
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, Effective/Horizontal HT Top	528mm	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	273mm	273mm	273mm	273mm	273mm
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	603.9mm
Front-Center Horizontal	588.6mm	596.6mm	597.6mm	603.6mm	598.6mm
Wheelbase	1006mm	1014mm	1015mm	1021mm	1016mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	389mm	389mm	389mm	389mm	389mm
Trail	77.3mm high	74mm high	67.4mm high	64.1mm mid/neutral	64.1mm mid/neutral
Mechanical Trail	72.8mm	69.9mm	64.1mm	61.2mm	61.2mm
Wheel Flop	24.3mm	22.8mm	19.8mm	18.4mm	18.4mm
Tire to Pedal Spindle	71mm 170 mm cranks	78.9mm 170 mm cranks	79.9mm 170 mm cranks	85.9mm 170 mm cranks	80.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	103mm 170 mm cranks	103mm 170 mm cranks	103mm 170 mm cranks	103mm 170 mm cranks

Published Sizing Recommendations

Height

153 cm

162 cm

163 cm

170 cm

171 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://cdn.shopify.com/s/files/1/0527/0991/6846/files/Ficha-Geometria-Origen-Aluminio.jpg?v=1741120868