2019 Polygon Bikes Bend RIV(R4)

	49	52	56	59
Stack	605.7mm	624.7mm	648.5mm	667.5mm
Reach	397mm	410mm	415mm	425mm
Stack to Reach Ratio	1.53:1	1.52:1	1.56:1	1.57:1
Seat Tube Length, C-T	490mm	520mm	560mm	590mm
Top Tube Length, Effective/Horizontal HT Top	571mm	595mm	613mm	629mm
Top Tube Slope	14.2deg	12.7deg	11.1deg	9.8deg
Head Tube Angle	72deg	72deg	72deg	72deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg
Head Tube Length	180mm	200mm	225mm	245mm
Bottom Bracket Drop	65mm	65mm	65mm	65mm
Bottom Bracket Height	286mm	286mm	286mm	286mm
Chainstay Length	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	435.2mm	435.2mm	435.2mm	435.2mm
Front-Center	628.6mm	647.7mm	660.3mm	676.5mm
Front-Center Horizontal	625.2mm	644.4mm	657.1mm	673.3mm
Wheelbase	1060.4mm	1079.6mm	1092.3mm	1108.5mm
Fork Offset/Rake	50mm	50mm	50mm	50mm
Trail	61.5mm mid/neutral	61.5mm mid/neutral	61.5mm mid/neutral	61.5mm mid/neutral
Mechanical Trail	58.5mm	58.5mm	58.5mm	58.5mm
Wheel Flop	18.1mm	18.1mm	18.1mm	18.1mm
Standover Height	766mm	793mm	829mm	856mm
Tire to Pedal Spindle	107.6mm 170 mm cranks	126.7mm 170 mm cranks	139.3mm 170 mm cranks	155.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks	116mm 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.

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Source:https://www.polygonbikes.com/shop/bikes/road/all-rounder/bend-riv/

Geometry