2021 Winow Sport FS831 AM Base 21
Build
700C/29 in × 2.4 in
Insights
Somewhat upright stack and reach vs trend of full-suspension all-mountain/enduro mtb bikes
Design deviates from other sizes of Winow Sport FS831 AM
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 660mm |
| Reach | 518mm |
| Stack to Reach Ratio | 1.27:1 |
| Seat Tube Length, C-T | 532mm |
| Top Tube Length, Effective/Horizontal HT Top | 679mm |
| Top Tube Slope | 12.5deg |
| Head Tube Angle | 65.5deg |
| Seat Tube Angle | 76.3deg |
| Head Tube Length | 155mm |
| Bottom Bracket Drop | 29mm |
| Bottom Bracket Height | 343mm |
| Chainstay Length | 433mm |
| Chainstay Length Horizontal | 432mm |
| Front-Center | 862mm |
| Front-Center Horizontal | 869mm |
| Wheelbase | 1301mm |
| Fork Offset/Rake | 57.7mm |
| Trail | 106.1mm very high |
| Mechanical Trail | 96.6mm |
| Wheel Flop | 40mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 320mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 173mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 2044.9mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 150mm |
| Rear Travel | 150mm |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:http://www.winowsports.com/product/dual-suspension-150mm-travel-AM-Frame.html