Bird Aeris 9 2023
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Geometry
| Medium | Medium Long | Large | Extra Large | |
|---|---|---|---|---|
| Add to Compare | ||||
| Reach | 481 | 390 | 554 | 557 |
| Stack | 733 | 652 | 715 | 562 |
| Top Tube (effective) | 617 | 606 | 755 | 555 |
| Seat Tube C-T | 435 | 428 | 404 | 431 |
| Head Angle | 62 | 60 | 54 | 68 |
| Seat Angle | 70 | 81 | 87 | 76 |
| Head Tube | 98 | 104 | 105 | 105 |
| Chainstay | 360 | 422 | 416 | 449 |
| Wheelbase | 1422 | 1206 | 1411 | 1173 |
| Standover | 667 | 758 | 657 | 698 |
| BB Height | 320 | 379 | 386 | 340 |
| BB Type | 73 mm BSA Threaded | 73 mm BSA Threaded | 73 mm BSA Threaded | 73 mm BSA Threaded |
| Fork Rake / Offset | 37 | 47 | 48 | 45 |
| Fork Length (A2C) | 695 | 694 | 533 | 638 |
| Seatpost Diameter | 26 | 26 | 34 | 33 |
| Axle Spacing | 162 | 144 | 171 | 136 |
| Wheel Size | 29" | 29" | 29" | 29" |
| Tyre Max Width | 2.6" | 2.6" | 2.6" | 2.6" |
| Front Travel | 173 | 177 | 175 | 196 |
| Rear Travel | 169 | 146 | 180 | 128 |
| Shock Size | 230 x 65 | 230 x 65 | 230 x 65 | 230 x 65 |
| Headset | Tapered ZS44 / ZS56 | Tapered ZS44 / ZS56 | Tapered ZS44 / ZS56 | Tapered ZS44 / ZS56 |
| Seat Clamp | 28 | 32 | 35 | 32 |
| Data Source | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
Note: Static Geometry with 170mm Fork. Chainstay flip chip can add 6mm to chainstay, -0.5 degrees Head Angle and lower BB height by 7mm in slack position
Measurements are in millimeters and degrees.
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