Bird Aeris 120 2017
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Geometry
| Small | Medium | Medium/Large | Large | |
|---|---|---|---|---|
| Add to Compare | ||||
| Reach | 395 | 430 | 457 | 432 |
| Stack | 639 | 666 | 704 | 586 |
| Top Tube (effective) | 632 | 704 | 626 | 603 |
| Seat Tube C-T | 449 | 337 | 517 | 380 |
| Head Angle | 63 | 63 | 72 | 68 |
| Seat Angle | 63 | 90 | 87 | 84 |
| Head Tube | 115 | 104 | 100 | 125 |
| Chainstay | 468 | 409 | 348 | 429 |
| Wheelbase | 1111 | 1029 | 1078 | 1266 |
| Standover | 712 | 631 | 619 | 855 |
| BB Drop | 17 | 19 | 18 | 21 |
| BB Height | 309 | 349 | 364 | 270 |
| BB Type | 73mm Threaded | 73mm Threaded | 73mm Threaded | 73mm Threaded |
| Fork Rake / Offset | 41 | 43 | 36 | 46 |
| Fork Length (A2C) | 528 | 598 | 441 | 527 |
| Seatpost Diameter | 25 | 28 | 36 | 35 |
| Axle Spacing | 148 x 12 | 148 x 12 | 148 x 12 | 148 x 12 |
| Wheel Size | 650B | 650B | 650B | 650B |
| Rear Travel | 118 | 130 | 99 | 119 |
| Shock Size | 210 x 55 | 210 x 55 | 210 x 55 | 210 x 55 |
| Headset | Tapered | Tapered | Tapered | Tapered |
| Seat Clamp | 35 | 35 | 35 | 32 |
| Data Source | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
Measurements are in millimeters and degrees.
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