Bird Aeris 120 2017
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Geometry
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| Small | Medium | Medium/Large | Large | |
|---|---|---|---|---|
| Compare | ||||
| Reach | 415 | 426 | 557 | 450 |
| Stack | 485 | 619 | 574 | 479 |
| Top Tube (effective) | 564 | 654 | 576 | 746 |
| Seat Tube C-T | 338 | 438 | 377 | 432 |
| Head Angle | 55 | 66 | 66 | 76 |
| Seat Angle | 69 | 89 | 70 | 84 |
| Head Tube | 129 | 103 | 142 | 126 |
| Chainstay | 503 | 433 | 473 | 444 |
| Wheelbase | 937 | 944 | 1335 | 1170 |
| Standover | 706 | 803 | 620 | 820 |
| BB Drop | 18 | 18 | 18 | 16 |
| BB Height | 329 | 392 | 395 | 278 |
| BB Type | 73mm Threaded | 73mm Threaded | 73mm Threaded | 73mm Threaded |
| Fork Rake / Offset | 41 | 43 | 40 | 38 |
| Fork Length (A2C) | 596 | 511 | 573 | 535 |
| Seatpost Diameter | 30 | 34 | 31 | 33 |
| Axle Spacing | 148 x 12 | 148 x 12 | 148 x 12 | 148 x 12 |
| Wheel Size | 650B | 650B | 650B | 650B |
| Rear Travel | 119 | 122 | 113 | 100 |
| Shock Size | 210 x 55 | 210 x 55 | 210 x 55 | 210 x 55 |
| Headset | Tapered | Tapered | Tapered | Tapered |
| Seat Clamp | 41 | 33 | 28 | 39 |
| Data Source | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
Measurements are in millimeters and degrees.
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