Bird Aeris 120 2017
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Geometry
| Small | Medium | Medium/Large | Large | |
|---|---|---|---|---|
| Add to Compare | ||||
| Reach | 486 | 525 | 484 | 529 |
| Stack | 677 | 695 | 673 | 518 |
| Top Tube (effective) | 489 | 504 | 729 | 752 |
| Seat Tube C-T | 328 | 390 | 353 | 482 |
| Head Angle | 63 | 74 | 58 | 68 |
| Seat Angle | 79 | 73 | 74 | 75 |
| Head Tube | 122 | 127 | 116 | 112 |
| Chainstay | 357 | 357 | 482 | 426 |
| Wheelbase | 1016 | 1293 | 1014 | 980 |
| Standover | 745 | 699 | 671 | 682 |
| BB Drop | 17 | 18 | 16 | 18 |
| BB Height | 352 | 381 | 343 | 333 |
| BB Type | 73mm Threaded | 73mm Threaded | 73mm Threaded | 73mm Threaded |
| Fork Rake / Offset | 34 | 47 | 46 | 40 |
| Fork Length (A2C) | 588 | 595 | 436 | 501 |
| Seatpost Diameter | 29 | 35 | 37 | 29 |
| Axle Spacing | 148 x 12 | 148 x 12 | 148 x 12 | 148 x 12 |
| Wheel Size | 650B | 650B | 650B | 650B |
| Rear Travel | 138 | 125 | 140 | 103 |
| Shock Size | 210 x 55 | 210 x 55 | 210 x 55 | 210 x 55 |
| Headset | Tapered | Tapered | Tapered | Tapered |
| Seat Clamp | 30 | 31 | 30 | 37 |
| Data Source | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
Measurements are in millimeters and degrees.
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