	S	M	L	XL	XXL
Stack	564mm	576mm	600mm	612mm	631mm
Reach	390mm	405mm	420mm	435mm	450mm
Stack to Reach Ratio	1.45:1	1.42:1	1.43:1	1.41:1	1.4:1
Seat Tube Length, Unknown	455mm	485mm	515mm	545mm	575mm
Top Tube Length, Effective/Horizontal Center	552mm	570mm	592mm	610mm	631mm
Top Tube Slope	13.8deg	11.5deg	10.6deg	8.6deg	7.3deg
Head Tube Angle	69.5deg	69.5deg	69.5deg	69.5deg	69.5deg
Seat Tube Angle	74deg	74deg	74deg	74deg	74deg
Head Tube Length	105mm	120mm	145mm	160mm	180mm
Bottom Bracket Drop	78mm	76mm	76mm	74mm	74mm
Bottom Bracket Height	278mm	280mm	280mm	282mm	282mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	422.9mm	423.2mm	423.2mm	423.6mm	423.6mm
Front-Center	625mm	645mm	668mm	688mm	710mm
Front-Center Horizontal	620.1mm	639.8mm	663.8mm	684.4mm	706.4mm
Wheelbase	1043mm	1063mm	1087mm	1108mm	1130mm
Fork Offset/Rake	45.4mm	44.8mm	44.8mm	45.2mm	45.1mm
Trail	84.7mm very high	85.3mm very high	85.3mm very high	84.8mm very high	84.9mm very high
Mechanical Trail	79.3mm	79.9mm	79.9mm	79.5mm	79.6mm
Wheel Flop	27.8mm	28mm	28mm	27.8mm	27.9mm
Standover Height	728mm	753mm	778mm	804mm	830mm
Tire to Pedal Spindle	99mm 170 mm cranks	119mm 170 mm cranks	142mm 170 mm cranks	162mm 170 mm cranks	184mm 170 mm cranks
Pedal Spindle to Ground Clearance	108mm 170 mm cranks	110mm 170 mm cranks	110mm 170 mm cranks	112mm 170 mm cranks	112mm 170 mm cranks

Published Sizing Recommendations

Height

4 ft 5 in

4 ft 8 in

4 ft 11 in

5 ft 0 in

5 ft 2 in

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://www.santacruzbicycles.com/collections/stigmata/products/stigmata-rival-1-x-axs-2026?variant=50958634975514

2026 Santa Cruz Bicycles Stigmata Rival (700c wheels)