2018 Polygon Bikes Cascade Base

	S	M	L
Stack	593.1mm	597.8mm	602.5mm
Reach	383.7mm	402.2mm	420mm
Stack to Reach Ratio	1.55:1	1.49:1	1.43:1
Seat Tube Length, Unknown	406mm	456mm	500mm
Top Tube Length, Effective/Horizontal Unknown	565mm	585mm	604mm
Top Tube Slope	22.2deg	16.8deg	12.4deg
Head Tube Angle	69deg	69deg	69deg
Seat Tube Angle	73deg	73deg	73deg
Head Tube Length	100mm	105mm	110mm
Bottom Bracket Drop	47mm	47mm	47mm
Bottom Bracket Height	298.3mm	298.3mm	298.3mm
Chainstay Length	430mm	430mm	430mm
Chainstay Length Horizontal	427.4mm	427.4mm	427.4mm
Front-Center	640mm	660.4mm	679.8mm
Front-Center Horizontal	638.3mm	658.7mm	678.2mm
Wheelbase	1065.7mm	1086.1mm	1105.6mm
Fork Offset/Rake	42mm	42.1mm	42mm
Trail	87.6mm very high	87.5mm very high	87.6mm very high
Mechanical Trail	81.8mm	81.7mm	81.8mm
Wheel Flop	29.3mm	29.3mm	29.3mm
Standover Height	707mm	747mm	—
Tire to Pedal Spindle	124.7mm 170 mm cranks	145mm 170 mm cranks	164.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	128.3mm 170 mm cranks	128.3mm 170 mm cranks	128.3mm 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://www.polygonbikes.com/product/mountain/cascade-4/

Geometry