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Bird Aeris 120 2017

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Geometry

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Reach 433 465 424 402
Stack 539 525 499 525
Top Tube (effective) 631 496 719 706
Seat Tube C-T 441 368 523 455
Head Angle 59 66 77 57
Seat Angle 78 64 89 84
Head Tube 92 115 109 107
Chainstay 487 345 471 392
Wheelbase 977 1099 1177 1155
Standover 812 794 642 775
BB Drop 19 16 16 20
BB Height 381 390 287 382
BB Type 73mm Threaded 73mm Threaded 73mm Threaded 73mm Threaded
Fork Rake / Offset 37 44 40 40
Fork Length (A2C) 619 486 500 645
Seatpost Diameter 25 29 27 27
Axle Spacing 148 x 12 148 x 12 148 x 12 148 x 12
Wheel Size 650B 650B 650B 650B
Rear Travel 96 106 131 138
Shock Size 210 x 55 210 x 55 210 x 55 210 x 55
Headset Tapered Tapered Tapered Tapered
Seat Clamp 30 35 28 40
Data Source Manufacturer Manufacturer Manufacturer Manufacturer

Measurements are in millimeters and degrees, unless otherwise noted.

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