2020/v3 Bird Bikes Aeris AM9 160mm Fork unsagged Large
Build
700C/29 in × 2.5 in
Insights
Somewhat aggressive stack and reach vs trend of full-suspension all-mountain/enduro mtb bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 623mm |
| Reach | 500mm |
| Stack to Reach Ratio | 1.25:1 |
| Seat Tube Length, C-T | 445mm |
| Top Tube Length, Effective/Horizontal HT Top | 655mm |
| Head Tube Angle | 65.1deg |
| Effective Seat Tube Angle, ETT HT Top | 75.6deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 27mm |
| Bottom Bracket Height | 347.5mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 439.2mm |
| Front-Center | 827.8mm |
| Front-Center Horizontal | 827.4mm |
| Wheelbase | 1266.5mm |
| Fork Offset/Rake | 46mm |
| Fork Length (Axle-To-Crown) | 571mm |
| Trail | 123.1mm very high |
| Mechanical Trail | 111.7mm |
| Wheel Flop | 47mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 283.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 177.5mm |
160mm Fork unsagged Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.5in |
| Tire Outer Diameter | 749mm |
| Bike Length with Tires | 2015.5mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 160mm |
| Rear Travel | 150mm |
| Suspension Sag | 0% |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.bird.bike/wp-content/uploads/2020/08/Aeris-AM9-V3-Technical-Data-Sheet.pdf