Bird Aeris 9 2023


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Geometry

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To view geometry data you must use a web browser that supports JavaScript. See: browser-update.org
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Reach 510 436 423 523
Stack 505 660 593 752
Top Tube (effective) 647 538 559 732
Seat Tube C-T 424 442 388 427
Head Angle 70 62 57 70
Seat Angle 71 70 70 75
Head Tube 118 101 136 128
Chainstay 439 465 420 503
Wheelbase 1364 1472 1278 1503
Standover 753 649 600 635
BB Height 400 371 399 313
BB Type 73 mm BSA Threaded 73 mm BSA Threaded 73 mm BSA Threaded 73 mm BSA Threaded
Fork Rake / Offset 35 48 34 46
Fork Length (A2C) 587 600 653 517
Seatpost Diameter 33 27 26 37
Axle Spacing 166 128 137 166
Wheel Size 29" 29" 29" 29"
Tyre Max Width 2.6" 2.6" 2.6" 2.6"
Front Travel 176 161 191 171
Rear Travel 148 152 182 168
Shock Size 230 x 65 230 x 65 230 x 65 230 x 65
Headset Tapered ZS44 / ZS56 Tapered ZS44 / ZS56 Tapered ZS44 / ZS56 Tapered ZS44 / ZS56
Seat Clamp 40 34 39 38
Data Source Manufacturer Manufacturer Manufacturer Manufacturer

Note: Static Geometry with 170mm Fork. Chainstay flip chip can add 6mm to chainstay, -0.5 degrees Head Angle and lower BB height by 7mm in slack position

Standard measurements are in millimeters and degrees. The site attempts to recognize and convert other units back to standard - results may vary.

Image showing geometry measurements

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