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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 358 401 550 488 498
Stack 609 680 563 732 619
Top Tube (effective) 501 495 506 558 555
Seat Tube C-T 321 376 467 422 482
Head Angle 58 70 65 76 65
Seat Angle 83 75 62 80 90
Head Tube 113 99 96 142 127
Chainstay 475 485 401 505 481
Wheelbase 1289 1030 1222 1511 1331
Standover 825 819 640 841 842
BB Height 289 353 331 333 347
BB Type BSA73 BSA73 BSA73 BSA73 BSA73
Fork Length (A2C) 525 505 473 511 512
Seatpost Diameter 35 36 30 26 28
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 144 145 153 161 191
Rear Travel 187 132 144 189 134
Shock Size 230x65 230x65 230x65 230x65 230x65
Rider Height 174 175 196 194 209
Headset ZS44/56 ZS44/56 ZS44/56 ZS44/56 ZS44/56
Seat Clamp 37 40 42 34 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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