Bird Aeris 9 2023
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Geometry
| Medium | Medium Long | Large | Extra Large | |
|---|---|---|---|---|
| Add to Compare | ||||
| Reach | 456 | 426 | 426 | 566 |
| Stack | 569 | 658 | 603 | 659 |
| Top Tube (effective) | 713 | 527 | 717 | 541 |
| Seat Tube C-T | 361 | 407 | 460 | 556 |
| Head Angle | 70 | 55 | 74 | 64 |
| Seat Angle | 63 | 86 | 83 | 82 |
| Head Tube | 85 | 116 | 136 | 140 |
| Chainstay | 445 | 421 | 358 | 438 |
| Wheelbase | 1158 | 1499 | 1150 | 1312 |
| Standover | 792 | 716 | 769 | 688 |
| BB Height | 352 | 373 | 299 | 282 |
| BB Type | 73 mm BSA Threaded | 73 mm BSA Threaded | 73 mm BSA Threaded | 73 mm BSA Threaded |
| Fork Rake / Offset | 45 | 37 | 49 | 45 |
| Fork Length (A2C) | 646 | 675 | 472 | 590 |
| Seatpost Diameter | 35 | 32 | 30 | 32 |
| Axle Spacing | 139 | 162 | 150 | 163 |
| Wheel Size | 29" | 29" | 29" | 29" |
| Tyre Max Width | 2.6" | 2.6" | 2.6" | 2.6" |
| Front Travel | 169 | 169 | 195 | 153 |
| Rear Travel | 134 | 187 | 137 | 150 |
| 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 | 40 | 38 | 29 | 36 |
| 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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