2021 Winow Sport FS831 AM Base

Design
Flat Bar, Full suspension
Suspension
150mm fork travel, 150mm rear travel
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

16
17.5
19
21
Stack
610mm
619mm
637mm
660mm
Reach
453mm
473mm
493mm
518mm
Stack to Reach Ratio
1.35:1
1.31:1
1.29:1
1.27:1
Seat Tube Length, C-T
405mm
445mm
482mm
532mm
Top Tube Length, Effective/Horizontal HT Top
594mm
618mm
645mm
679mm
Top Tube Slope
21.6deg
17.9deg
15.5deg
12.5deg
Head Tube Angle
65.5deg
65.5deg
65.5deg
65.5deg
Seat Tube Angle
77deg
76.8deg
76.6deg
76.3deg
Head Tube Length
100mm
110mm
130mm
155mm
Bottom Bracket Drop
29mm
29mm
29mm
29mm
Bottom Bracket Height
343mm
343mm
343mm
343mm
Chainstay Length
433mm
433mm
433mm
433mm
Chainstay Length Horizontal
432mm
432mm
432mm
432mm
Front-Center
774mm
798mm
827mm
862mm
Front-Center Horizontal
775mm
799mm
828mm
869mm
Wheelbase
1207mm
1231mm
1260mm
1301mm
Fork Offset/Rake
52.1mm
52mm
52.7mm
57.7mm
Trail
112.3mm
very high
112.4mm
very high
111.6mm
very high
106.1mm
very high
Mechanical Trail
102.2mm
102.3mm
101.6mm
96.6mm
Wheel Flop
42.4mm
42.4mm
42.1mm
40mm
Tire to Pedal Spindle
232mm
170 mm cranks
256mm
170 mm cranks
285mm
170 mm cranks
320mm
170 mm cranks
Pedal Spindle to Ground Clearance
173mm
170 mm cranks
173mm
170 mm cranks
173mm
170 mm cranks
173mm
170 mm cranks

Base Build

16
17.5
19
21
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.4in
2.4in
2.4in
2.4in
Tire Outer Diameter
743.9mm
743.9mm
743.9mm
743.9mm
Bike Length with Tires
1950.9mm
1974.9mm
2003.9mm
2044.9mm

Stack and Reach vs. Category Trend

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.

Learn more about the Upright/Aggressive Scale
Source:http://www.winowsports.com/product/dual-suspension-150mm-travel-AM-Frame.html