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Bird Aeris AM 2023


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Geometry

  R1 (S) R2 (M) R3 (ML) R4 (L) R5 (XL)
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Reach 343 408 416 512 465
Stack 581 572 715 641 560
Top Tube (effective) 670 577 716 558 550
Seat Tube C-T 406 334 478 507 382
Head Angle 74 75 71 65 52
Seat Angle 74 84 63 87 79
Head Tube 85 85 112 133 153
Chainstay 479 371 478 466 375
Wheelbase 1429 1434 1485 1166 1072
Standover 856 681 590 817 664
BB Height 357 403 404 344 336
BB Type BSA73 BSA73 BSA73 BSA73 BSA73
Fork Length (A2C) 627 470 575 582 649
Seatpost Diameter 26 27 35 27 30
Axle Spacing Boost Boost Boost Boost Boost
Wheel Size 29/27.5" 29/27.5" 29/27.5" 29/27.5" 29/27.5"
Tyre Max Width 2.5" 2.5" 2.5" 2.5" 2.5"
Front Travel 164 155 161 181 167
Rear Travel 181 172 175 191 128
Shock Size 230x65 230x65 230x65 230x65 230x65
Rider Height 140 171 164 224 176
Headset ZS44/56 ZS44/56 ZS44/56 ZS44/56 ZS44/56
Seat Clamp 43 43 40 35 38
Frame Weight <2600 ex shock <2600 ex shock 2600 ex shock >2600 ex shock >2600 ex shock
Data Source Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer

Note: Static geo, chainstay has MX flip chip, 160/170mm fork

Measurements are in millimeters and degrees.

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