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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 425 450 405 511 484
Stack 736 586 683 587 759
Top Tube (effective) 512 545 538 563 596
Seat Tube C-T 296 358 431 359 506
Head Angle 72 57 75 67 57
Seat Angle 72 80 77 64 84
Head Tube 109 105 107 103 133
Chainstay 429 388 463 476 466
Wheelbase 1422 1241 1343 1420 1146
Standover 674 814 747 591 615
BB Height 289 391 277 339 337
BB Type BSA73 BSA73 BSA73 BSA73 BSA73
Fork Length (A2C) 562 463 512 658 570
Seatpost Diameter 27 29 29 32 36
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 143 155 162 170 130
Rear Travel 184 158 173 175 187
Shock Size 230x65 230x65 230x65 230x65 230x65
Rider Height 148 183 173 179 205
Headset ZS44/56 ZS44/56 ZS44/56 ZS44/56 ZS44/56
Seat Clamp 30 37 36 30 43
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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