Bird Aeris 120 2017
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Geometry
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| Small | Medium | Medium/Large | Large | |
|---|---|---|---|---|
| Compare | ||||
| Reach | 487 | 397 | 558 | 411 |
| Stack | 488 | 670 | 711 | 614 |
| Top Tube (effective) | 544 | 682 | 616 | 654 |
| Seat Tube C-T | 367 | 396 | 352 | 477 |
| Head Angle | 66 | 64 | 77 | 58 |
| Seat Angle | 90 | 89 | 88 | 83 |
| Head Tube | 105 | 129 | 115 | 120 |
| Chainstay | 426 | 496 | 349 | 515 |
| Wheelbase | 1355 | 1365 | 1049 | 1240 |
| Standover | 806 | 751 | 668 | 617 |
| BB Drop | 23 | 19 | 18 | 19 |
| BB Height | 365 | 366 | 307 | 339 |
| BB Type | 73mm Threaded | 73mm Threaded | 73mm Threaded | 73mm Threaded |
| Fork Rake / Offset | 48 | 42 | 33 | 39 |
| Fork Length (A2C) | 599 | 537 | 643 | 433 |
| Seatpost Diameter | 33 | 35 | 27 | 31 |
| Axle Spacing | 148 x 12 | 148 x 12 | 148 x 12 | 148 x 12 |
| Wheel Size | 650B | 650B | 650B | 650B |
| Rear Travel | 118 | 128 | 143 | 143 |
| Shock Size | 210 x 55 | 210 x 55 | 210 x 55 | 210 x 55 |
| Headset | Tapered | Tapered | Tapered | Tapered |
| Seat Clamp | 28 | 40 | 35 | 33 |
| Data Source | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
Measurements are in millimeters and degrees.
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