2020 Spa Cycles Audax Base

	52	54	56	58
Stack	538.6mm	552.7mm	569.2mm	585.7mm
Reach	391mm	390mm	394.5mm	398mm
Stack to Reach Ratio	1.38:1	1.42:1	1.44:1	1.47:1
Seat Tube Length, C-T	520mm	540mm	560mm	580mm
Top Tube Length, Effective/Horizontal HT Top	561mm	564mm	574mm	583mm
Top Tube Length, Actual C-C	549mm	554mm	564mm	574mm
Head Tube Angle	72deg	72deg	72deg	72deg
Seat Tube Angle	72.5deg	72.5deg	72.5deg	72.5deg
Head Tube Length	115mm	135mm	155mm	175mm
Bottom Bracket Drop	67.5mm	62.5mm	60mm	57.5mm
Bottom Bracket Height	268.5mm	273.5mm	276mm	278.5mm
Chainstay Length	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	419.6mm	420.4mm	420.7mm	421.1mm
Front-Center	595mm	600mm	610mm	620mm
Front-Center Horizontal	591.4mm	596.6mm	607.3mm	616.9mm
Wheelbase	1011mm	1017mm	1028mm	1038mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Fork Length (On-Axis)	375mm	375mm	375mm	375mm
Trail	61.9mm mid/neutral	61.9mm mid/neutral	61.9mm mid/neutral	61.9mm mid/neutral
Mechanical Trail	58.8mm	58.8mm	58.8mm	58.8mm
Wheel Flop	18.2mm	18.2mm	18.2mm	18.2mm
Standover Height	770mm	790mm	810mm	830mm
Tire to Pedal Spindle	89mm 170 mm cranks	94mm 170 mm cranks	99mm 175 mm cranks	109mm 175 mm cranks
Pedal Spindle to Ground Clearance	98.5mm 170 mm cranks	103.5mm 170 mm cranks	101mm 175 mm cranks	103.5mm 175 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.

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Source:http://www.spacycles.co.uk/smsimg/uploads/audaxgeometry.jpg

Geometry