2024 Sour Bicycles Space Cake Base

	S	M	L	XL
Stack	576mm	592mm	608mm	624mm
Reach	371mm	373mm	380mm	385mm
Stack to Reach Ratio	1.55:1	1.59:1	1.6:1	1.62:1
Seat Tube Length, C-T	490mm	520mm	560mm	590mm
Top Tube Length, Effective/Horizontal HT Top	535mm	545mm	565mm	578mm
Top Tube Slope	11.7deg	10.2deg	7.6deg	6.2deg
Head Tube Angle	70deg	70.5deg	71deg	71.5deg
Seat Tube Angle	74deg	73.5deg	73deg	72.5deg
Head Tube Length	130mm	145mm	160mm	175mm
Bottom Bracket Drop	76mm	76mm	76mm	76mm
Bottom Bracket Height	269mm	269mm	269mm	269mm
Chainstay Length	428mm	428mm	428mm	428mm
Chainstay Length Horizontal	421.2mm	421.2mm	421.2mm	421.2mm
Front-Center	594.7mm	598.7mm	603.6mm	608.6mm
Front-Center Horizontal	589.8mm	593.8mm	598.8mm	603.8mm
Wheelbase	1011mm	1015mm	1020mm	1025mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Fork Length, Unknown	382mm	382mm	382mm	382mm
Trail	77.7mm high	74.4mm high	71.2mm high	68mm high
Mechanical Trail	73mm	70.2mm	67.3mm	64.5mm
Wheel Flop	25mm	23.4mm	21.9mm	20.5mm
Tire to Pedal Spindle	79.7mm 170 mm cranks	83.7mm 170 mm cranks	88.6mm 170 mm cranks	93.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks

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://sour.bike/bikes/road/space-cake/

Geometry